Wednesday

January 28, 2015

January 28, 2015

Posted by **helpplease!** on Tuesday, May 28, 2013 at 10:49pm.

- math -
**Steve**, Wednesday, May 29, 2013 at 11:58amIf the width is w inches, the volume of the border (in^3) is

pi((72+w)^2 - 72^2)*3 = 46656

w = 28.7

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