Respuesta :

Answer:

96 meters

Step-by-step explanation:

First set up

length*width=Area

(5w)*(w)=320

5w^2=320

w^2=64

w=8

Now, find the perimeter.

Side1+Side2+Side3+Side4 = Perimeter

5w+w+5w+w= P

12w = P

Now Substitute your w(width)

12(8)=

96 meters