Question

petrol(in litres) | cost (in Rs)
90 | 3600
120 | 4800
150 | 6000
180 | 7200

the given chart shows quantity of petrol and its cost in a particular time. plot a graph find the cost for 190 litres of petrol in that time.

Answer 1

90 litres=3600 rs
1 litre=3600÷90 rs
1 litre=40rs
190 litres =40×190=7600rs