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February 28, 2015

February 28, 2015

Posted by **Jim** on Wednesday, March 7, 2012 at 12:33am.

- Precalculus -
**Steve**, Wednesday, March 7, 2012 at 11:48amafter turning up the corners, the bottom now measures

(a-2x)(b-2x)

The depth of the box is the size of the tabs folded up, or x

V = (a-2x)(b-2x)(x)

= x(40-2x)(70-2x)

= 4x(20-x)(35-x)

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