SOLUTION: The width of a rectangle is 15 less than three times its length. If the perimeter is 26, what are the length and width of the rectangle?

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Question 931139: The width of a rectangle is 15 less than three times its length. If the perimeter is 26, what are the length and width of the rectangle?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

     .

2L + 2w = 26

L + w = 13

L  + (3L-15) = 13

4L = 28

L = 7  and w = 6 3%2A7+-+15

and...checking

L + w = 13