Solve the problem.A rectangular piece of cardboard measuring 20 inches by 39 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. What is the maximum volume of this box? If necessary, round to 2 decimal places.

A. 1364.09 in.3
B. 631.5 in.3
C. 29,578.83 in.3
D. 1490.83 in.3


Answer: D

Mathematics

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