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Mathematics, 25.03.2020 02:12 jhitotw

A firm receives an order for a square-base rectangular storage container with a lid. The container has a volume of 20 cubic meters. Material for the base costs 20 dollar per square meter. Material for the sides and the lid costs 10 dollars per square meter. What is the lowest cost of materials for making such a container? What are the dimensions of the container that require the lowest cost for materials?

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