Question: An open-top rectangular box is being constructed to hold a volume of 400 in'. The base of the box is made from a material costing

An open-top rectangular box is being constructed to hold a volume of 400 in'. The base of the box is made from a material costing 7 cents/in. The front of the box must be decorated, and will cost 9 cents/in. The remainder of the sides will cost 4 cents/in2. Find the dimensions that will minimize the cost of constructing this box. Front width: in. Depth: in. Height: in

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