Question: A box with a rectangular base is to be constructed of material costing $2/in. 2 for the sides and bottom and $3/in. 2 for the

A box with a rectangular base is to be constructed of material costing $2/in.2 for the sides and bottom and $3/in.2 for the top. If the box is to have volume 1,215 in.3 and the length of its base is to be twice its width what dimensions of the box will minimize its cost of construction? What is the minimal cost?

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