The donovan's pool system cleans 35 gallons of water every 1/4 hour. How many gallons of water are cleaned in 5 hours?

1 answer

There are 4 * 5 = <<4*5=20>>20 quarter hours in 5 hours.
Therefore, 20 * 35 = <<20*35=700>>700 gallons of water are cleaned in 5 hours. Answer: \boxed{700}.