Finding minimum surface area of a cylinder.

Question: To minimize the cost of the package: Find the Radius in cm, Height in cm, and Minimum Cost in cents.
A microwaveable cup-of-soup package needs to be constructed in the shape of cylinder to hold 250 cubic centimeters of soup. The sides and bottom of the container will be made of styrofoam costing 0.04 cents per square centimeter. The top will be made of glued paper, costing 0.07 cents per square centimeter. Find the dimensions for the package that will minimize production cost.

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Answered By:

James C.
It's math, not magic

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