<PRE><B>Question 118516</B>
The perimeter of a rectangle (P) = 2W+2L.
you are given the length (L) and the width (W).
So:
{{{P=2(2x-5)+2(3x+9)}}}
{{{P=4x-10+6x+18}}}
{{{highlight(P=10x+8)}}}
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Just plug 4 into x in the above equation to get a value for the perimeter when x=4. i will leave that part to you  :-)
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Good Luck,
tutor_paul@yahoo.com
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