Question

Mauricio wants to fry 18 potatoes per hour for 3.5 hours. He can fry 6 potatoes using 1 liter of oil.

How many liters of oil does Mauricio need for frying potatoes?

Answer 1

18 * 3.5 = 63

He wants to fry 63 potatoes

63/6 = 10.5

He will need 10.5 liters of oil to from potatoes for 3.5 hours.

Answer 2

Mauricio needs 10.5 liters of oil for frying.

Explanation:

Given : Mauricio wants to fry 18 potatoes per hour for 3.5 hours. He can fry 6 potatoes using 1 liter of oil.

To find : How many liters of oil does Mauricio need for frying potatoes?

Solution :

Applying unitary method,

Mauricio can fry 6 potatoes using 1 liter of oil.

Mauricio can fry 1 potatoes using
`(1)/(6)` liter of oil.

Mauricio can fry 18 potatoes using
`(18)/(6)=3` liter of oil

Now, Mauricio fries 18 potatoes using 3 liters of oil per hour.

The total amount of oil needed by him =
`3.5 * 3 = 10.5` liters.

Therefore, Mauricio needs 10.5 liters of oil for frying.