Hi,



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



 

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