SOLUTION: the perimeter of a rectangle is 200ft how do u find the lengh if the width is 20

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Question 343371: the perimeter of a rectangle is 200ft how do u find the lengh if the width is 20
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter P = 2*(L+W)
200=2*(l+20)
divide by 2
200/2 = l+20
100=l+20
-20
l+20-20=100-20
l=80