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December 18, 2014

December 18, 2014

Posted by **vincent** on Saturday, July 27, 2013 at 11:44pm.

- math -
**Reiny**, Sunday, July 28, 2013 at 12:13amat first:

let x be the length of the side of the square.

after the change:

new length = x+3

new width = x-2

perimeter = 2(x+3) + 2(x-2)

= 70

simplify the equation and solve for x

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