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Mathematics, 10.05.2021 06:10 Darkwynd11791

A closed box with a square base is to have a volume of 4000 in^3 . The material for the top and bottom
of the box is to cost 3 cents per square inch and the material for the sides to cost 2 cents per square
inch. Estimate the dimensions of the box so that the total cost of material is least.​

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