Craig and Kelly each have a swimming pool that holds 1,175 gallons of water. Craig’s pool is empty. Kelly’s pool currently has 200 gallons of water. Craig and Kelly will fill their swimming pools. Craig’s pool fills at a rate of 5.5 gallons per minute. Kelly’s pool fills at a rate of 3 gallons per minute.
Write an equation that could be used to determine the amount of water in Craig’s pool at any time while he is putting water in his pool. Let
x
represent time in minutes spent filling the pool today and y represent the total gallons of water in the pool.
Write a similar equation that could be used to determine the amount of water in Kelly’s swimming pool.