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QUESTION
Need solutions for the following question: A rectangular display area containing 800 square feet is to be enclosed outside a shopping mall.
Need solutions for the following question:
A rectangular display area containing 800 square feet is to be enclosed outside a shopping mall.Three sides of the enclosure are to be built using fencing that costs $20 per foot. The 4th side is to be made using more expensive fencing that costs $30 per foot. Find the dimensions that would minimize total cost, and find the minimum cost. [Remember: Must prove that your answer is the abs. min.]
