Question

Mr. Gill is draining his pool. The pump he is using changes the water level by −2 1/4 inches per hour. A stronger pump would drain the pool 2 1/2 times as fast. What would the change in water level be per hour if Mr. Gill used the stronger pump?

Answer 1

-5.625 in/hour

Explanation:

−2 1/4 * 2 1/2 = -5.625 in/hour