Question 565542: The perimeter of a rectangle is 36 meters. If the width is 3 times the length, find the demensions? Answer by ad_alta(240) (Show Source):
You can put this solution on YOUR website! Let 'w' be the width and 'l' the length. Then 2w+2l=36 and w=3l. Substituting, 2(3l)+2l=36. We must have l=4.5 and w=13.5.