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A box with a rectangular base, square ends and no lid is to be made out of two types of wood. T ...
A box with a rectangular base, square ends and no lid is to be made out of two types of wood. The wood for the ends and the front costs $15/m2 and the wood for the base and the back cost $8/m2. If the total volume of the box must be 7m3 find the dimensions that will minimize the cost of the wood.
The diagram of the situation may be:where Length breadth heightAs per question,The sides, needs to be square, then Since, all sides of a square are equal.