math_celebrity Administrator Staff member Nov 17, 2016 #1 Mr rosenthal bought 15 computer disks and a carrying case for 28.50 if the carrying case cost 6.75 what was the cost of each disk Figure out how much he has left over after purchasing the carrying case: 28.50 - 6.75 = 21.75 Now, figure out the price per disk: 21.75/15 = 1.45

Mr rosenthal bought 15 computer disks and a carrying case for 28.50 if the carrying case cost 6.75 what was the cost of each disk Figure out how much he has left over after purchasing the carrying case: 28.50 - 6.75 = 21.75 Now, figure out the price per disk: 21.75/15 = 1.45