Question 1158438
2.5 hours=150 minutes
400 gal/min*150 min=60000 gallons total

60000 gallons total/500 gallons/minute--units at the end are minutes, what is wanted, and it will be 120 minutes or 2 hours

another way is 2.5*400=x*500
x=2.5(4/5)=2 hours