Answer:
9 gallons/minute
Step-by-step 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
