Question

A 25,000 gallon swimming pool is being filled. Two hundred and fifty gallons are in it after 30 minutes. How many hours will it to take to fill the pool?

Answer 1

Answer: 50 hours

Explanation:

Given

The volume of a swimming pool is
`25,000` gallon

It takes 30 minutes to fill
`250\ \text{gallons}`

Using Unitary method

`\Rightarrow 250\ \text{gallon takes}\rightarrow 30\ \text{minutes}\\\Rightarrow 1\ \text{gallon takes}\rightarrow (30)/(250)\\\\\Rightarrow 25,000\ \text{gallon}\rightarrow (30)/(250)* 25,000=3000\ \text{minutes or 50 hours}`