Marcus is filling a pool with water. the pool had 18 gallons of water and 25 minutes later had 428 gallons of water. what does the quotient 16.4 mean a. the pool is being filled at a rate of 16.4 gallons per minute b. the pool is being drained at a rate of 16.4 gallons per minute c. the pool is being filled at a rate of 428 gallons per minute d. the pool is being drained at a rate of 428 gallons per minute