Question

89 litres of oil cost ₹2091.50 what is the cost of 15 litres

Answer 1

(2091.50÷89)×15=352.50

Answer 2

15 liters of oil cost ₹352.5.

Step-by-step explanation:

Given : 89 liters of oil cost ₹2091.50.

To find : What is the cost of 15 liters ?

Solution :

Applying unitary method,

89 liters of oil cost ₹2091.50.

So, 1 liters of oil cost $\frac{2091.50}{89}$

1 liters of oil cost ₹23.5.

Now, 15 liters of oil cost $23.5\times 15$

15 liters of oil cost ₹352.5.

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