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September 14, 2014

September 14, 2014

Posted by **Alexa** on Tuesday, January 24, 2012 at 7:20pm.

- Math -
**Steve**, Wednesday, January 25, 2012 at 12:05pm16 + 2s = old perimeter

16+24 + 2(s+24) = 2(16+2s)

40 + 2s + 48 = 32 + 4s

2s = 56

s = 28

so, the old perimeter was 16+2*28 = 72

the new perimeter is 40 + 2*52 = 148

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