A contractor digs a hole for the basements of a new house that is 40 feet long and 10 1/2 feet deep. What is the width of the ho
le if 6,510 cubic feet of dirt are removed?
A.80 feet
B.81 1/4 feet
C.16 Feet
D.15 1/2 feet
1 answer:
40 × 10.5 × w = 6510
420 × w = 6510
w =
w = 15.5 feet
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