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You have been asked to design a closed rectangular box that holds a volume of 25...

You have been asked to design a closed rectangular box that holds a volume of 25 cubic centimeters while minimizing the cost of materials, given that the material used for the top and bottom of the box cost 4 cents per square centimeter, and the material used for sides cost 9 cents per square centimeter. Find the dimensions of this box in terms of variables L, W, and H.

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