SOLUTION: If the perimeter is closet is 40 ft and the width is 1 foot less than a half the length, then what are the length and width?

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Question 342939: If the perimeter is closet is 40 ft and the width is 1 foot less than a half the length, then what are the length and width?
Answer by akc(7) About Me  (Show Source):
You can put this solution on YOUR website!
p=+2%28l%2Bw%29=40......eqn 1
w=+l%2F2+-1
substitutiong w in eqn 1
2%28l%2B+l%2F2+-1%29+=40
2l+%2B+l+-2+=+40
3l=40%2B2
3l%2F3=42%2F3
l=14 ft
so w=+l%2F2-1=14%2F2-1=6ft