8 X 10 X x = 640ft3 80x = 640 80x/80 = 640/80 x = 8 The answer is 8 feet deep
9.27 cubic feet
162 cubic feet
162 cubic feet.
87.5 cubic feet
420
400.
It is: 6*10*5 = 300 cubic feet
8.333 cubic feet
24 cubic feet
24 cubic feet
164 cf. (6x9x3)
147 cubic feet of cement are required.