Your school rented a dunk tank for the school fair. The rental fee is $75 plus $12 per hour. Which equation shows the total cost for renting the dunk tank?
 A.) Rental Cost = 12 (times) hours
 B.) Rental Cost = 12 (times) hours+75
 C.) Rental Cost = 12 (times) hours-75
 D.) Rental Cost = 75 (times) hours+12