Your neighbor is digging a hole in his back yard for an in-ground swimming pool. The rectangular hole is 21 feet wide, 42 feet long and 6 feet deep. If a truck can haul 10 cubic yards, how many trips will it take to haul all of the dirt away?
a. 10
b. 2
c. 7
d. 20
Answer: d
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What will be an ideal response?
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