SOLUTION: the length of a rectangular patio is twice the width. if the perimeter is 84 feet, then what are the length and width?

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: the length of a rectangular patio is twice the width. if the perimeter is 84 feet, then what are the length and width?      Log On

 

Hi,

     .

L + w = 42ft

(2w) + w = 42

3w = 42

w = 14  and L = 28  

and...checking

L + w = 42ft