A rectangular box is to have a square base and a volume of 20 ft 3 If the material for the base costs$0 29 ft 2 , the material for the sides costs$0 10 ft 2 , and the material for the top costs$0 21 ft 2 ,determine the dimensions of the box that can be constructed at minimum cost lengthftwidthftheightft

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Question: A rectangular box is to have a square base and a volume of 20 ft 3 . If the material for the base costs$0.29/ft 2

A rectangular box is to have a square base and a volume of20ft³. If the material for the base costs$0.29/ft², the material for the sides costs$0.10/ft², and the material for the top costs$0.21/ft²,determine the dimensions of the box that can be constructed at minimum cost.

lengthftwidthftheightft

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