There are 12 inches per foot. Therefore, the volume of sand required is 100 X 122 X 5 cubic inches or 7 X 104 cubic inches, to the number of significant digits justified by the least precisely stated data point, 5 inches. If all the integers specified are considered exact, then the answer is 72,000 cubic inches.
744 Square Feet
4 square feet are needed
5,184 2-square-inch tiles are needed.
288 6-inch tiles are needed.
647
744 Square Feet
4 square feet are needed
5,184 2-square-inch tiles are needed.
288 6-inch tiles are needed.
236 18-inch tiles.
Floor area = 12 ft x 18 ft = 216 square feet. There are 4 six-inch square tiles needed for each square foot, so 864 tiles are needed.
647
968
54
720 4"x 8" tiles are needed.
This is a nonsensical question. What is 2.9 cubic feet?
260 approx.