Mercer T.

asked • 08/24/20

Write the equation for the volume of a box made from an 18" x 20" piece of poster board with a five inch cut from each corner.

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William W. answered • 08/24/20

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If you draw a picture, it becomes pretty easy.


The volume is the length times the width times the height. Can you see what each of those would be if you fold up the tabs on each side?

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Mercer T.

8, 10 and im not sure the height
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08/24/20

William W.

If you fold up the tab, wouldn’t the height be the width of that tab (5 inches)?
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08/24/20

Mercer T.

yes so it would be 5x10x8 right
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08/25/20

William W.

Yes
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08/25/20

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