an empty sandbox has a length of 6 ft, a width of 4 feet, and a depth of 2 feet.of the sandbox is filled with 8 bags of sand and each contain 4.5 cubic feet of sand, what fraction of the sandbox is still empty
V = 6 * 4 * 2
V = 48 cubic feet.
8 * 4.5 = 36
48 - 36 = 12
12/48 = 1/4