Question: A package in the shape of a rectangular box can be mailed by the US Postal Service if the sum of its length and girth

A package in the shape of a rectangular box can be mailed by the US Postal Service if the sum of its length and girth (the perimeter of a cross-section perpendicular to the length) is at most 108 in. Find the dimensions of the package with largest volume that can be mailed.

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V xyz say x is the length and x 2y 2z 108 x 0 y 0 z 0 First maximize V ... View full answer

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