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July 26, 2014

July 26, 2014

Posted by **Shane** on Sunday, September 1, 2013 at 2:26am.

- maths -
**Graham**, Sunday, September 1, 2013 at 2:31amThe perimeter of a rectangle is:

P = 2(l+w)

You're given:

l = w + 10cm

w = x

Substitute and simplify.

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