SOLUTION: The width of a rec tangle is 2 feet shorter than its length. The perimeter of the rectangle is 20. Find the length of the rectangle. Do not uses spaces or units.

Algebra ->  Rectangles -> SOLUTION: The width of a rec tangle is 2 feet shorter than its length. The perimeter of the rectangle is 20. Find the length of the rectangle. Do not uses spaces or units.       Log On


   

Question 1061601: The width of a rec
tangle is 2 feet shorter than its length. The perimeter of the rectangle is 20. Find the length of the rectangle. Do not uses spaces or units.
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
Let l be the rectangle's length. Then its width is l-2. So:
20=2(l-2)+2l
4l=24
l=6
The length is 6; the width is 4. ☺☺☺☺