Question

covered by the car in 3 hours?
7) 5 litres of oil cost Rs 105. Find the cost of 3 litres of oil?​

Answer 1

Answer:

cost of 5L of oil cost Rs 105

hence cost of 1L of oil costs = 5/105 = 21

therefore cost of 3L of oil cost = 3 × 21 = 63 Rs

Step-by-step explanation:

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Answer 2

Quantity of petrol =5l. 3l

Price of petrol= 105 . X

X1/y1=x2/y2

5/105=3/x2 (cross multiplying both)

5x 2 =105*3

X2 =315/5

X2 = 63