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Mathematics

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We want to build a 600 square meter rectangular enclosure with three sides to be built from material costing $14/mtr and the other side costing $28/mtr.

How do I set the dimensions to minimize the cost of materials?

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A complete, neat and step-by-step solution is provided.

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Let the length of the enclosure be x and width be y

Area, A = length * width = xy

xy = ...

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