math
posted by bibiana .
A storage area measures 12 feet 6 inches in width by 16 feet in length by 8 feet 3 inches in height. If it is 4/5 full, how many cubic feet of storage space remains (rounded to the nearest cubic foot)?

what is 1/5*12.5*16*8.25 ?

12.5 * 16 * 8.25 = 1,650 cubic feet
0.2 * 1650 = 330 cubic feet