Matric-1 Mathematics-Drawing a Graph of an Equation (O-Level) 

The graph shows the relation between the units of Electricity consumed and the total cost of an electricity bill. Find:
1- The cost(C) of the bill if 300 units(n) are consumed.
2- The number of units used when the bill is Rs.1500.
With the help of Graph given we can easily find the cost of the bill if we consume 300 units.
Linear graphs and their applications Full playlist ( Explanation and Problems solution) :
• Matric-1 Mathematics