Question 412793
let length be x
width = (2/3)x

Perimeter = x+x+(2/3)x(2/3)x=260 ft

          =2x+(4/3)x=260
           6x+4x=260*3=780  (Multiplying both sides by 3 to get rid of denominator
          or 10x =780
               x=78
         width =2/3* 78=52

check 78+78+52+52=  260