SOLUTION: The area of a rectangle is 80 sq meters. the length is one more than three times the width. Find the dimensions of the rectangle. (Please show work)

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Question 807335: The area of a rectangle is 80 sq meters. the length is one more than three times the width. Find the dimensions of the rectangle.

(Please show work)

Answer by tommyt3rd(5050)   (Show Source): You can put this solution on YOUR website!
1) A=lw=80
2) l=3w+1


(3w+1)w=80
3w^2+w-80=0

which leads to w=5
thus l=16
rectangle is
5m by 16m

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