SOLUTION: the perimeter of a rectangular field is 400ft. the lenght is to be 20ft more than the width.find the lenght and width

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Question 411677: the perimeter of a rectangular field is 400ft. the lenght is to be 20ft more than the width.find the lenght and width
Answer by emargo19(101) About Me  (Show Source):
You can put this solution on YOUR website!
Let width be x
Let length be x+20
Perimeter= 2(width) + 2(length)
2(x) + 2(x+20)=400
2x + 2x + 40 = 400
4x = 360
x = 90
Width = 90 ft
Lenth = x+ 20 = 110 ft.