SOLUTION: The perimeter of a backyard is 800 feet. If the width is 100 feet less than the length, find the length of the yard.

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Question 740157: The perimeter of a backyard is 800 feet. If the width is 100 feet less than the length, find the length of the yard.

Answer by powercenter(3) About Me  (Show Source):
You can put this solution on YOUR website!
w=width
l=length
2w+2l=800
l=w+100
2w+2(w+100)=800
2w+2w+200=800
4w=600
w=150 feet
l=200 feet