SOLUTION: The length of a rectangular park is 4 m longer than the width. If the area of the park is 140 m^, find the length and the width.

Algebra ->  Algebra  -> Rectangles -> SOLUTION: The length of a rectangular park is 4 m longer than the width. If the area of the park is 140 m^, find the length and the width.      Log On

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Question 201: The length of a rectangular park is 4 m longer than the width. If the area of the park is 140 m^, find the length and the width.
Answer by ichudov(499) About Me  (Show Source):
You can put this solution on YOUR website!
We have length = width + 4. The area is length*width and is 140. Because length = width+4, we have (width+4)*width = 140, or width%5E2%2B4%2Awidth-140=0. That's a simple quadratic equation that you can solve on my website. (10 seems to be the obvious root)