Question

Sam is filling up his pool. The water hose filled the 423 gallon pool in 47 minutes. At what rate did the hose fill the pool in gallons per minute?

Answer 1

9 gallons/minute

Explanation:

Since you are trying to find gallons/min, there are two ways you can go about this. Either find a common factor between the 2 number, or you can simply to divide 423 by 47. Thankfully in this situation, you can find the answer easily either way because 47 is a factor of 423.

Factor out 47:

423 gallons/47 minutes

47*9 gallons/47*1 minutes

Simplify:

9 gallons/minute