A driveway 18 ft. wide and 36 ft. long is to be paved with concrete 3 in. thick. How many cubic yards of concrete are required?

1 answer

V = L*W*h = 36 * 18 * 0.25 = 162 Ft^3

V = 162Ft^3 * 1yd^3/27Ft^3 = 6 Yds^3.