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    Maximum Volume of an Open-Top Box

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    A square sheet of cardboard 24 inches on a side is made into a box by cutting squares of equal size from each corner of the sheet and folding the projecting flaps into an open top box. What should be the length of the edge of any of the cutout squares to give the box maximum volume?

    4 inches
    4.5 inches
    5.5 inches
    6.5 inches
    7 inches
    7.5 inches
    8 inches
    none of these

    © BrainMass Inc. brainmass.com October 9, 2019, 8:06 pm ad1c9bdddf
    https://brainmass.com/math/geometry-and-topology/maximum-volume-of-an-open-top-box-139474

    Solution Preview

    Denote by x the length of the edge of any of the cutout squares. Then we can form the volume V(x) of the corresponding open-top box.

    Note that the base is a square with equal length 24-2x. The height is x. ...

    Solution Summary

    The maximum volume of an open-top box is found. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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