Question

A motorist's cost for petrol and oil is in the ratio 17:3. An increase of 8% in the price of petrol and 4% in the price of oil increases his annual bill for running costs by for petrol and oil before the increase. rs.740. Find his annual bill for petrol and oil before the increase.

Answer 1

Answer:

Step-by-step explanation:

8% of 17 = 1.36

4% of 3 = 0.12

Total increase % = 1.48

1.48 % =  Rs 740

100 % = Rs 740*100/1.48

= Rs 50,000

Total annual bill = Rs 50,000

Bill for Petrol = Rs 50,000*17/20 = Rs 42,500

Bill for oil = Rs 50,000*3/20 = Rs 7,500