SOLUTION: The length of a rectangular playing field is 5ft less than twice its width.If the perimeter of the playing field is 230ft find the length and width of the field.

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Question 117652: The length of a rectangular playing field is 5ft less than twice its width.If the perimeter of the playing field is 230ft find the length and width of the field.
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
P=2W+2L
L=2w-5
230=2w+2(2w-5)
230=2w+4w-10
230=6w-10
240=6w
40=width
Length=2(40)-5
L=80-5
L=75
:)