SOLUTION: The length of a rectangle is six times its width. if the perimeter of the rectangle is 84ft find its area?

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The length of a rectangle is six times its width. if the perimeter of the rectangle is 84ft find its area?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 401977: The length of a rectangle is six times its width. if the perimeter of the rectangle is 84ft find its area?
Answer by sofiyac(983) About Me  (Show Source):
You can put this solution on YOUR website!
let the width be x, then length is 6x
2*w+2*l=P
2x+2*6x=84
2x+12x=84
14x=64
x=6
so width is 6, then length is 6*6=36
so area is A=l*w
A=6*36=216