Calculating Discounts, Tax, Tips, Double Discount, and Original Price | Grammar Hero ASVAB Tutoring

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In this video, I show you how to calculate discounts, tax, tips, and double discounts. In addition, I also work out problems in which you must determine the original price of an item, given the sales price of that item as well as a discount rate.
Since you are not permitted to use a calculator on the ASVAB, you must be comfortable working with decimals as well as performing long division by hand to perform the calculations on the test well as in the video. If those are topics with which you struggle, you may want to watch the following videos first:
1. Decimals: • Learn Everything About...
2. Long Division: • Learn Almost Everythin...
0:00 Introduction: No Calculator
1:36 Discounts
7:11 Tax
17:42 Tips
23:51 Double Discounts (i.e., Successive Discounts)
33:00 Find Original Price, Given Sale Price and Discount Rate
40:20 Outro
How to Study For & Pass the Word Knowledge Part of the ASVAB for Free: VocabTest.com (2,400 words): • How to Study For & Pas...
Free ASVAB/PiCAT Math Boot Camp: • Free ASVAB/PiCAT Math ...
Arithmetic Reasoning Practice Tests For the ASVAB: • Arithmetic Reasoning P...
Mathematics Knowledge Practice Tests for the ASVAB: • Mathematics Knowledge ...
Algebra on the ASVAB: • Algebra Review for the...
Geometry on the ASVAB: • Geometry Review for t...
Word Problems on the ASVAB: • A Review of Word Probl...
A Review of Fractions for the ASVAB: • A Review of Fractions ...
Basic Math Concepts on the ASVAB: • A Review of Basic Math...
Free ASVAB Reference Sheet: www.asvabapp.com/Reference.pdf
If you found the content in this video helpful, please consider donating to me directly via PayPal: www.paypal.com/cgi-bin/webscr....
Test Prep Resources
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ASVAB Study Guide 2019-2020 Secrets: ASVAB Test Prep: amzn.to/2wuruV4
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ASVAB Bilingual, 1E amzn.to/2KiO0Zr
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16 июл 2024

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Комментарии : 173

@GrammarHero 2 года назад

How to Study For & Pass the Word Knowledge Part of the ASVAB for Free: VocabTest.com (2,400 words): ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ZjX1o8KmZCQ.html Free ASVAB/PiCAT Math Boot Camp: ru-vid.com/group/PLhlU-GzAQeG2ete7N8QjR2dDN_CaIH67z Arithmetic Reasoning Practice Tests For the ASVAB: ru-vid.com/group/PLhlU-GzAQeG20dUBuaZqmknvmcB_fmhYw Mathematics Knowledge Practice Tests for the ASVAB: ru-vid.com/group/PLhlU-GzAQeG3-gi1LWuTuWymprA5ACCvC Algebra on the ASVAB: ru-vid.com/group/PLhlU-GzAQeG32uoM-Brd8JueNwDHZWz-o Geometry on the ASVAB: ru-vid.com/group/PLhlU-GzAQeG1BzuI5ecUqykpMQnIXSN86 Word Problems on the ASVAB: ru-vid.com/group/PLhlU-GzAQeG3zhaPinOPkVweB2TjO22Li A Review of Fractions for the ASVAB: ru-vid.com/group/PLhlU-GzAQeG3rQjliSl-ThN_L2lF1iABE Basic Math Concepts on the ASVAB: ru-vid.com/group/PLhlU-GzAQeG1OuvH5wqon9Hih6mhHXDNG Free ASVAB Reference Sheet: www.asvabapp.com/Reference.pdf

@ahoofehemaa7236 Год назад

Can you please explain how you came by the 8x in the last question? I got lost when you wrote the 8 and I have been rewinding but can't seem to know how u came by that figure. Thanks

@GrammarHero Год назад

@@ahoofehemaa7236 1.00 - .20 ___________ .80

@frogman7426 3 года назад

Grammar hero!! Thank you so much man! I have struggled in school my whole life especially in math but I just took the asvab 2 days ago and got a 64!!! If I can do it then anyone can!!

@GrammarHero 3 года назад

Congrats on passing, you're welcome, and I wish you the best if you join the military!

@JesusSavesSde 3 года назад

Thanks man!!!

@castaway3715 2 года назад

Thanks dude!! You give me a lot of hope, since I’ve also always struggled in school

@alaejhiajenkins8036 3 года назад

We need more like this !! These videos are so helpful !

@danamacful 3 года назад

This video is what really helped me pass the asvab. Thank you so much!

@tsonic3032 3 года назад

Math is my main weakness when I first took the asvab, thanks to your videos I am building confidence and gaining more knowledge. THANKS GRAMMAR HERO.

@Renamandul 3 года назад

You helped me, brotha. Thank you.

@AoiGP 3 года назад

the double discount and original price had me thinking over and over. This was a good one and thank you for your content!

@GrammarHero 3 года назад

More often than not, I try to follow the same pattern in all of my videos: i.e., I start with simple problems and end with challenging problems. You're welcome, by the way.

@cherrigee2794 3 года назад

I’ve been waiting on these videos man you are awesome. You explain it well your direction are clear and I love it. Please it it coming for us

@carlyfahy8614 2 года назад

Thank you. This is a great refresher of calculating discounts, tips, tax, and double discounts. I am actually trying to improve my ASVAB score from a 21.

@GrammarHero 2 года назад

Good luck! You should be able to double your score pretty easily!

@annem7138 3 года назад

This is the BEST video out there on discounts, tax, tips, double discounts, and original price! Well done Grammar Hero. I can’t thank you enough:D

@GrammarHero 3 года назад

Some of my videos actually outrank some of the biggest math channels on RU-vid; this is one of those videos. :)

@annem7138 3 года назад

@@GrammarHero I believe it! You’re the best:)

@JD-fp2dn 8 месяцев назад

Take the asvab tomorrow and I been looking at your videos thank you I’m feeling confident!

@GrammarHero 8 месяцев назад

Good luck!

@sikandersbustymoves9283 2 года назад

Grammar hero I wanted to stop by and thank you so much for helping me achieve my dream of joining the navy I didn’t achieve the score as a 43 for MA but atleast I got in ! Thank you so much your a life changer

@GrammarHero 2 года назад

Congrats, you're welcome, and I wish you the best in the Navy!

@ellahdk6826 3 года назад

💯 perfect teacher

@raw_mittt 2 года назад

THESE VIDEOS ARE SUCH A LIFE SAVER, MY BRAIN FEELS REFRESHED !!!!!!

@GrammarHero 2 года назад

I guarantee you’ll see a question from this topic on the test!

@eddiezapata2646 3 года назад

This explanation of the procedure that you implemented in this video is beyond helpful ! Thank you so much.

@GrammarHero 3 года назад

I appreciate that. For this video, I tried to keep the explanations very simple and straightforward. That said, all of these problems can be solved algebraically, but most people would probably get lost if I did it that way.

@GovOwnedPhatty Год назад

Trying to get my score from 96 to a 107..you’re a life saver and i hope you know how many people appreciate what you’ve done for them. Thanks for these

@GrammarHero Год назад

You're welcome, and good luck! Using my free videos, you should easily be able to do that!

@francisalvarez5365 2 года назад

Loved this video. I had some problems solving original prices. Still not understanding where .9x came from hope you have more videos. Explaining this procedure.

@GrammarHero 2 года назад

If you understand 90% of the content in my videos, you'll crush the ASVAB. Generally speaking, I cover more material in my videos than what shows up on the test! If you work through my Math Boot Camp playlist, you'll crush the math sections! Here it is: ru-vid.com/group/PLhlU-GzAQeG2ete7N8QjR2dDN_CaIH67z

@sandratapia915 3 года назад

Grammar Hero, can you please make more video's on discount, tax, tips, double discount, and original price?. I need to master them completely to be fully prepare to take the ASVAB.

@GrammarHero 3 года назад

I shall see what I can do it.

@Zee13Sikkalo 2 года назад

I’ve been loving your videos they have been helping me brush up on skills I lost and stuff I didn’t fully remember how to do. I’m studying for the ASVAB and I hit a discount issue that I am a little puzzled on where to start. It goes “An appliance store reduced the price of a refrigerator by 20% then later raised the price by 10% from the lower price. What was the original price of the refrigerator, if the final price is 70.40.”

@GrammarHero 2 года назад

You probably won't see something like that on the test, so I wouldn't worry too much! Some of the practice questions that you find online are not very realistic, including the one you just mentioned!

@nikkilivelifepretty5095 2 года назад

thank you very helpful

@GrammarHero 2 года назад

You're welcome!

@alejandrobeltran2703 Год назад

Hey Grammar Hero I would like to thank you. For the first time i took the asvab I got a 15 after almost 1 month of studying today I ended up with a 32. Showed it to my recruiter and they told me to go their officer at 9am tomorrow. Once again thanks to you and asvab for dummies I've been to know where I am at. ima continued studying to get a higher score.

@GrammarHero Год назад

Congrats on more than doubling your score, you're welcome, and I wish you the best if you join the military!

@alejandrobeltran2703 Год назад

@@GrammarHero Hello Grammar thanks for the kind words. They told me that on Monday ima go back to their office turn in some paper work. On the 6 of feb im going to MEPS im a bit nervous but wish me luck

@GrammarHero Год назад

@@alejandrobeltran2703 Good luck!

@limuelsurbida1846 3 года назад

grammar hero please make more videos on asvab aritmetic probabilty

@lavaniadelrey2807 Год назад

Thank u!

@GrammarHero Год назад

You're welcome!

@jamesmills6917 2 года назад

These videos are helpful I would like to see videos that’s gonna b difficult like trying to figure out the how far the plane travels from Louisiana in 12 hours if they left at 6:00 pm. What time will they arrive in the next airport in California ? I would like to get help on these unknown random problems. Lol

@GrammarHero 2 года назад

Those problems are on my channel in my distance, rate, and time videos.

@yumyum8094 3 года назад

This is a very great video , also can you make a video about how to study ? If that’s possible thank you so much

@GrammarHero 3 года назад

If you look in the community tab of my channel, you'll find a post that is called "REPOSTING FOR NEW SUBSCRIBERS." In that post, I discuss how you can use my channel to study for the ASVAB. Since I posted it two weeks ago, you may have to scroll down a little to find it.

@ashtonandersch2418 2 года назад

Quick question: when I started your video on 'Percent Change' I wanted to do most of it with the method you show in this video. Is there a difference between when you should use the percent change formula vs the 'Original Price' formula found in this video? Thank you! You're video are helping me tremendously to refresh and relearn things that I have forgotten from high school!

@ashtonandersch2418 2 года назад

Just found the answer to this in another comment. Thanks anyway, if you end up reading this!

@officialmi7947 8 месяцев назад

Thank you for your videos I’m going to the navy

@GrammarHero 8 месяцев назад

You're welcome, and I wish you the best in the Navy!

@manonfire3339 3 года назад

This might be a question with a very simple and obvious answer but this is where I am stuck. In the Original Price problem, how did it become 84 = .8x? I can't figure out how 1x - .2x became .8x. It would be really helpful if somebody explained. But this was another great video, I feel more and more confident to retake the ASVAB every time I practice with your videos.

@GrammarHero 3 года назад

1.00 - .20 _____________ .80

@manonfire3339 3 года назад

@@GrammarHero Ok, I see where it came from now. I have to say. You really are the best. Appreciate the quick response, sir.

@GrammarHero 3 года назад

@@manonfire3339 No problem. As for my quick response, RU-vid notifications pop up on my phone. So, it's hard to ignore them.

@manonfire3339 3 года назад

@@GrammarHero I love technology.

@manonfire3339 3 года назад

@@GrammarHero And freedom.

@Breeze220 2 года назад

Taking my asvab, wish me luck 🙏🏽

@GrammarHero 2 года назад

Good luck!

@Breeze220 2 года назад

Thank you! Unfortunately I was short 4 to enlist into the army but I see that I have made improvements watching your videos ! I retest on the 12th🙏🏽

@GrammarHero 2 года назад

@@Breeze220 You'll get it next time!

@guadalupechavez1178 5 месяцев назад

@@Breeze220how is go?

@guadalupechavez1178 5 месяцев назад

@lyanfernandez9249 2 года назад

original price got me confused lol how did you get the 8x? 35:28

@andremitchell8583 2 года назад

I'm saying he lost me there

@mairympiloto4755 2 года назад

Same here😵‍💫

@20tathomas 2 года назад

I’m waiting on a answer also. He did that twice with the 8 and then the 8 with no explanation

@defunct3880 2 года назад

@@20tathomas 1x - .2x = .8x 1.00 - . 20 ______ .8

@teddypalacios1087 3 года назад

Grammar hero, how are you such a pro at math😄

@GrammarHero 3 года назад

Are you kidding or being serious?

@teddypalacios1087 3 года назад

I’m just complimenting you lol I have dyscalculia that’s why but I also want to join the military so I watch all your videos to try and know more and now I do!

@teddypalacios1087 3 года назад

My teachers always had to modify my work in every math class I’ve been in

@GrammarHero 3 года назад

Hopefully, my videos help. I try to start my videos with very basic examples in the beginning, and I work up to the harder examples to the end of the video. This is pretty much the case for all of my videos.

@josephdagdagan4116 3 года назад

Can i use the Percent Change formula here from your previous video? For Example, the first question in the Original Price part.

@GrammarHero 3 года назад

You could, but it would be a very inefficient way to solve these problems. The only time I would use the percent change formula is when the problem says "find the percent increase" or "find the percent decrease."

@xgatestohellx3024 2 года назад

Original price can be easier determined: If Peter bought that after 20% discount it means he bought watch for 80% of original price(100%-20%=80%). So we can determine mean of 1% original price(84:80, if its hard for you, check Grammar hero guides about dividing).We got 1,05=1%, so 20%=21, Add this value(21) to price after discount and you will get original price Here solve in math language: 100%-20%=80% - selling price of original 84:80=1,05 - 1% of original price 20 • 1,05=21 - 20% of original price 84+21=105 - $ original

@GrammarHero 2 года назад

Pretty much all of these questions can be solved much more quickly if you're decent at math!

@fishrepairs6400 2 года назад

Just curious for a question like the last one, either the SP = OA - OA(DR) OR Percent change = New price - old price/ old price x 100 works.. Is there a reason to use one over the other or is it just a matter of preference?

@GrammarHero 2 года назад

For calculating discounts, tax, and tips, it's easier to go with the first method. If a question explicitly asks about percent change, you should go with the percent change formula.

@aaronjay606 3 года назад

Are you able to make videos on Verbal Expression?

@GrammarHero 3 года назад

Verbal Expression is a combination of your Paragraph Comprehension and Word Knowledge scores. Right now, I have 53 WK videos on my channel, and as for PC, I'd recommend you start reading your local newspaper as much as possible to improve that score.

@feilongish 6 месяцев назад

13:00

@lunaconfidente7868 5 дней назад

Hello again , I've been learning alot with your "Study ASVAB List" and I'm almost finishing to take my test . But I have a question . On the topic of original Price, why x - .2x = .8x? I lost it there. Thanks in advance

@GrammarHero 5 дней назад

1.00 - 0.2 = .8

@Bxjd_7137 3 года назад

How did you get .9x ????

@Kenny-bp8ux 3 года назад

On the .8 divided by 840; I thought that in the long division that we go for the first number then if it can't divide it that's when we combine the first and the second number. What makes this one different from other long division? Like why do we have to divide 8 by 84 instead of 8 by 8 then 8 by 40? Thanks

@GrammarHero 3 года назад

You can do it either way. If you do it the way I did in the video, there are fewer steps.

@Kenny-bp8ux 3 года назад

@@GrammarHero when I did it, I got 15 instead of 105. 8 goes into 8 is 1 time, 8 minus 8 is zero. Bring down 40, 8 goes into 40 is 5 times then 5 multiply by 8 is 40. 40 minus 40 is zero.

@GrammarHero 3 года назад

@@Kenny-bp8ux You can only bring down one term at a time, so you made a small mistake with your arithmetic. For additional help, you should watch my video on long division here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-T_PqsNiJ1qQ.html 840 divided by 8 < - I shifted the decimal places, because you can't do long division with a decimal outside the division bracket. 8 / 8 = 1 8 - 8 = 0 Bring down the 4. *******Since 8 doesn't go into 4, you have to place a zero above 4. So now we have 10.******* Bring down the 0. Eight goes in into 40 5 times. So, the answer is 105.

@GodsDaughterWisdom 2 года назад

I take my Asvab tomorrow!!!!!!!

@GrammarHero 2 года назад

Good luck!

@GodsDaughterWisdom 2 года назад

Thanks !!! Your videos are helping me so much !!

@Ehh01 2 года назад

hello grammar hero i wanted to ask if it would matter if the OA and DR were switched because on the second to the last problem the formula i wrote to study was SP=OA-OA(DR) and in the last problem it was SP=OA-DR times OA.

@GrammarHero 2 года назад

I t doesn't matter if you switch them, since they will multiply to the same value.

@DrakoBeGaming 2 года назад

Lol ok so on question 2 in the discounts part of the video I paused the video and I tried to do the problem myself and end up multiplying 500 times 30, (Explanation: I changed 30% into .30 instead of .3) and I still got the answer correct, my answer was 15000 before I moved the decimal back to the left and I got 150.00 which is still $150 right? So then I subtracted 500 from 150 and got 350. Did I do this problem wrong?

@GrammarHero 2 года назад

You did it pretty much the same way I did it in my video. $350 is correct final answer. .3 and .30 are the same. 150.00 and $150 are the same.

@VSetBak 3 года назад

At 39:07 may you please explain to me how are you getting 9x I’m very confused. Please Help thank you

@GrammarHero 3 года назад

Since a lot of people struggle with decimals, it can be helpful to think about decimals like dollars and cents: One dollar minus ten cents is 90 cents. $1.00 - $.10 = $.90

@KOLINSKII 3 года назад

@@GrammarHero so in other words. if the % was 70% it would be the same as 30. cents...using 3 to divide the OA ?

@Marcaveli242 2 года назад

for the orginal price problems how did you get the 8 over 8 when there was 1x minus .2x and for the other original price problem how did you get the 9x

@GrammarHero 2 года назад

There are imaginary ones in front of the "xs." x = 1x x - .2x is the same as: 1x - .2x = .8x 1.00 - . 20 _________ .8 x - .1x is the same as: 1x - .1x = .9x 1.00 - .1 _____ .9

@GrammarHero Год назад

@@jamesblack102 I believe there is a part about adding and subtracting in that video on decimals.

@drewhighfill9253 3 года назад

To find the Original Price (33:00), could I subtract the Discount Rate from 100%? If it says the Discount is 20%, could I also subtract 20% from 100%? That would give me 80%, which in decimal form converts to .8. Would that method work each time and would also save me a step? I was thinking I could do 100% - DR, then SP/NDR=OP. (NDR is New Discount Rate.)

@GrammarHero 3 года назад

You could. Since a lot of people struggle with this topic, I decided to only show one method to solve these questions. As I'm sure you can imagine, there are several ways to approach these problems. :)

@drewhighfill9253 3 года назад

@@GrammarHero Thank you for your time on answering that question! Good looking out for me!

@GrammarHero 3 года назад

@@drewhighfill9253 My new video on prime numbers is pretty good. You should check it out.

@drewhighfill9253 3 года назад

@@GrammarHero Thank you! I believe you just read my mind. I was just sitting here searching for a good video on prime numbers. Leave it to Grammar Hero to save the day once more!

@ray436x 3 года назад

Do you have any general science videos?

@GrammarHero 3 года назад

Unfortunately, I don't, and sorry for the late reply. Sometimes, I don't get notified for every new comment. Just do your best on that section, and you'll be fine.

@jimbodagreat3303 3 года назад

Hey if I were to join the Marines, What score do I need to get to qualify for MOS Intelligence?

@GrammarHero 3 года назад

Here, you can look up the scores you need to specific jobs in the Marines: www.military.com/join-armed-forces/asvab/asvab-and-marine-corps-jobs.html Intelligence specialist GT=110 General technical (GT) = word knowledge (WK) + paragraph comprehension (PC) + arithmetic reasoning (AR)

@Strong-Root 3 года назад

IS that a RU-vid Channel , Is that a bird , Is that a math teacher?!?! No, It is the GRAMMER HERO :)))))) thank yoooouu but i did not get it why would you put 8=.8x also the .9 in the last question?

@superperc.3mil 2 года назад

On the original price how did you get x-.2x to equal 8 and same thing for x-.1x because im still not understanding that step

@GrammarHero 2 года назад

There are imaginary ones in front of the "xs." x = 1x x - .2x is the same as: 1x - .2x = .8x 1.00 - . 20 ___________ .8 x - .1x is the same as: 1x - .1x = .9x 1.00 - .1 _______ .9

@ogsaga6493 2 года назад

Jorge has spent $789.37 at the home improvement store. A storewide sale offers an 11% rebate on everything in the store. If he paid a 6% sales tax, how much rebate should he get? How do you solve this problem

@GrammarHero 2 года назад

Where is this question from, if you don't mind me asking? Here is the solution: www.algebra.com/algebra/homework/word/finance/Money_Word_Problems.faq.question.1173189.html I don't think rebate questions will show up on the ASVAB, since rebates are not necessarily common knowledge. Sales tax and discounts are common knowledge; rebates are not.

@joshpena9254 3 года назад

Im currently confused at the time of 35:20, with the x-.2x to get .8x, can you help me?

@GrammarHero 3 года назад

1.00 - .20 _____________ .80

@joshpena9254 3 года назад

@@GrammarHero Thank you so much for your help!

@airrwhick Год назад

Any tips how to be successful on the ASVAB? mine is coming up in 2 weeks.

@GrammarHero Год назад

I responded with advice in other comments. Good luck!

@zicotanet9688 Год назад

Very helpful, but I was confused how you got 1x - .2x = .8 and I had to figure it out .8+.2= 1, let me know if I did that right.

@GrammarHero Год назад

Yep. That's right.

@raymer4260 2 года назад

everyone that's here you get this don't give up

@raymer4260 2 года назад

im taking my test tommorow leaving to meps today

@GrammarHero 2 года назад

Good luck!

@angelicarios3953 3 года назад

how do you get 8 on the original price one the first problem?

@josephgonzales8795 3 года назад

I’m thinking the same thing

@kyledaddy356 2 года назад

How did you get .8x on the last problem?

@GrammarHero 2 года назад

It's already been answered in the comments.

@YoungTweedy 3 года назад

How did you get .8 ?

@valeriez.40 3 года назад

@@Lokirlehrawhaw you are taking .2 away from 1 ( 1-.2) and you'll get .8. Check your work by adding .8 and .2 ( .8+.2 ) and you will get 1. I used to have problems with fractions and decimals so I would use pizza to help me out. Ex: I have one whole pizza and its cut into 10 slices. Each slice can be thought of as 1/10th of the pizza. If you eat 2 slices, how many are left? 8 are left. You can stop there but to explain it a little more, you have 8/10ths left. If you convert that fraction to 80/100 (cause 100 kind of represents 1) you then know the percentage which is 80%. To make it a decimal you move the dot two places to the left and you get .8. But I think you get it. I hope this helped but if not, I'm sorry if I confused you more.

@angieronda8366 3 года назад

1.00 - .20 _______________ .80 I believe this is the set up

@VSetBak 3 года назад

@@valeriez.40 wow I actually understand that. The pizza method does help me understand more theoretically thank you 🙏

@tyshawnwilson6458 2 года назад

How did you get .8x from 1x-.2x? For the original price

@GrammarHero 2 года назад

1 minus .2 is .8. 1.00 - .20 ___________ .8

@tyshawnwilson6458 2 года назад

@@GrammarHero thank you I read that completely wrong

@anthonybisantino 3 года назад

We need videos on rational numbers unless you have some already

@GrammarHero 3 года назад

A rational number is just any number that can be written as a fraction. www.basic-mathematics.com/rational-numbers.html

@anthonybisantino 3 года назад

@@GrammarHero thanks

@Jonarroyo_ 2 года назад

How is 1 -.2x = .8 ? On the final question that is the only thing I’m confused about . I understand this whole video besides that little thing

@GrammarHero 2 года назад

1X - .2x = .8x. 1.00 - .20 ____________ .8 What is one dollar minus twenty cents?

@dejane7112 5 дней назад

for the original price how did u get .8x?

@GrammarHero 5 дней назад

1.00 - 0.20 = .8

@princessana6571 3 года назад

I take my asvab today wish me luck🙂!

@GrammarHero 3 года назад

Good luck!

@arturorios8421 3 года назад

Did you passed ??

@princessana6571 3 года назад

@@arturorios8421 yeah🥰..highly recommend watching his videos to study.

@RealRiteRay. 10 месяцев назад

how you get .9 in 38:58?

@wildernessvoice007 5 месяцев назад

He replied in other comments. See the answer below. There are imaginary ones in front of the "xs." x = 1x x - .2x is the same as: 1x - .2x = .8x 1.00 - . 20 _______ .8 x - .1x is the same as: 1x - .1x = .9x 1.00 - .1 ___ .9

@angeloguzman2933 Год назад

Im so confused on the original prices section on how your getting .9 X from 1x-.1x?

@GrammarHero Год назад

1.00 - .1 -------------------- .9 You should be able to do that mentally, which is why it was not worked out in the video.

@joshuafalluwem2518 Год назад

@@GrammarHero thank u i was about to ask the same question as he did 🙂

@yumyum8094 3 года назад

Hey i don’t really understand the original price any can give me tips??

@scrubbles1383 3 года назад

So the formula for the original price is: Sales Price = Original Amount - Original Amount (Discounted) For question 2 you are given the $450 for the Sales Price. 450 = Original Amount - Original Amount (Discount Rate) Next you were given the discount which in this case was 10%. 450 = Original Amount - Original Amount (.10 [convert percent to decimal by moving it two places to the left]) Now we will substitute "Original Amount" with a variable to account for the unknown. 450 = X - X (.10) Next you clean it up. 450 = X - .1X. In front of a variable is always a "1" so it will become. 450 = 1x - .1x. You subtract like terms and get .9. 450 = .9x Then you divided both sides by .9 450/.9 = .9/.9x 500 = x

@GrammarHero 3 года назад

@@scrubbles1383 That's pretty much what I did in the video. ¯\_(ツ)_/¯

@oskop5379 2 года назад

How exactly does 1x-.2x equal .8x?

@GrammarHero 2 года назад

1 - .2 = .8 1.00 - .20 __________ .8 $1.00 minus 20 cents = .80 cents.

@iamloravargas7720 2 года назад

I cant understand the Original Price part. Can I do it in other way?

@GrammarHero 2 года назад

You can use the percent change formula. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-3ym96HabK6U.html Either way, finding the original price isn't suppose to be super easy; it does require some critical thinking.