Question

Robert is in charge of the community swimming pool. Each spring he drains it in order to clean it. Then he refills the pool,which hold 120,000 gallons of water. Robert fills the pool at a rate of 10 gallons each minute. What is the rate at which Robets will full the pool? Is is constant?

Answer 1

Robert will fill the pool in 200 hours at a constant rate.

Explanation:

120000 divided by 10 is 12000, then you divide that by 60 to go from the number of minutes to hours which equals 200. It's at a constant rate because it's 10 gallons PER minute.