The fish tank in paul's bedroom has a pump that will recirculate 75 gallons of water in 1/4 of an hour. find the unit rate in gallons per hour. a. 5 gallons per hour b. 18.75 gallons per hour c. 300 gallons per hour d. 187.5 gallons per hour

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?