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February 28, 2015

February 28, 2015

Posted by **mae** on Saturday, January 15, 2011 at 8:43am.

- math -
**Reiny**, Saturday, January 15, 2011 at 9:25amwidth --- w

length --- l

2w + 2l = 84

w+l = 42

3w = 84 - 30

3w = 54

w = 18

l = 42-18 = 24

width = 18, length = 24

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