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

Question 25602: The length of a rectangular playing field is 5 ft less than twice its width.
If the perimeter of the playing field is 230 ft, find the length and width of the field.

Answer by elima(1433) (Show Source): You can put this solution on YOUR website!
Let the length of the field = 2w-5
formula for perimeter;
P=2(L+W)
230=2(2w-5+w)
230=2(3w-5)
230=6w-10
230+10=6w
240=6w
40=w
Now that we know w lets get l;
l=2(40)-5
l=80-5
l=75
So the width=40
the length = 75
hope you understand
=)
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