Although the answer seems completely useless, this is a nice little arithmetic problem. 1 foot = 12 inches 1 cubic foot = (12 x 12 x 12) = 1,728 cubic inches 1 acre = 43,560 square feet 1 acre, 1 foot deep = (43,560 x 1 x 1,728) = 75,271,680cubic inches ======================================= -- Take the number of cubic inches. -- Divide it by 75,271,680. -- The answer is the number if acre feet.
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