Question

A 9,000-gallon pool is being filled at a rate of 40 gallons per minute. At this rate, how many minutes will it take to fill this pool?.

Answer 1

225 minutes

Explanation:

`\displaystyle \frac{40\text{ gallons}}{\text{min}}=\frac{9000\text{ gallons}}{\text{x min}}\\\\x=\frac{9000\text{ gallons}}{40 \text{gallons}}=225\text{ min}`