SOLUTION: the perimeter of the rectangle is 42 meters. the length is twice the width. find the dimensions of the rectangle.

Algebra ->  Rectangles -> SOLUTION: the perimeter of the rectangle is 42 meters. the length is twice the width. find the dimensions of the rectangle.      Log On


   

Question 440240: the perimeter of the rectangle is 42 meters. the length is twice the width. find the dimensions of the rectangle.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L+2W
L=2W
42=2(2W)+2W
42=6W
W=7
L=14.