SOLUTION: The length of a rectangular playing field is 5 feet less than twice its width. If the perimeter of the playing field is 230 feet, find the length and width of the field.
Let W
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Question 100703: The length of a rectangular playing field is 5 feet less than twice its width. If the perimeter of the playing field is 230 feet, find the length and width of the field.
Let W = the width of the rectangle and L=length
Answer by elima(1433) (Show Source): You can put this solution on YOUR website!
The length of a rectangular playing field is 5 feet less than twice its width. If the perimeter of the playing field is 230 feet, find the length and width of the field.
l = 2w-5
perimeter = 2l+2w
2(2w-5)+2w=230
4w-10+2w=230
6w-10=230
6w=240
w=40
l=2(40)-5
l=80-5=75
:)
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