SOLUTION: A rectangle has a perimeter of 42 feet. The length is 3 feet longer than the width . What is the lenght and width of the deck
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Question 352806: A rectangle has a perimeter of 42 feet. The length is 3 feet longer than the width . What is the lenght and width of the deck
Answer by sofiyac(983) (Show Source): You can put this solution on YOUR website!
P=2(l+w)
if width is x then length is x+3
42=2(x+x+3)
42=2(2x+3)
21=2x+3
18=2x
9=x
so the width is 9 then the length is 9+3=12
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