Question 843270
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Hi,
<img src='http://img585.imageshack.us/img585/479/rectangle.png' border='0'/></a>
P = 2L + 2W
for ex:
IF you have the perimeter P of a rectangle  = 24in
and you have the length L of the rectangle = 8in
then  to find the width W use P = 2L + 2W
      24in = 2•8in + 2W  
Solve for W
      24in - 16in = 2W
              8in = 2W
              4in = W, the width