Question 868718
lxw=area of a rectangle
lxw=140in squared

(i plugged in numbers)

.71428571 x 14 = 140in squared

this would be the answer because you do

5/7 x 14 = .71428571

and when you multiply that out you get 

.71428571 x 14 = dimensions of this rectangle (:

Hope I helped!
-Maddy