SOLUTION: The length of a rectangle is three times its width. It's perimeter is 80 m. What are the length and the width of the rectangle.

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Question 834264: The length of a rectangle is three times its width. It's perimeter is 80 m. What are the length and the width of the rectangle.
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
width = w
length = 3w

2w + 2(3w) = 80
2w + 6w = 80
8w = 80
w = 10

The rectangle is 10 m wide and 30 m long.