Respuesta :

92

328-72-72=184

184/2=92
The perimeter is 328 yards and there are 2 widths in the rectangle. 
Add 72 and 72.
= 144 yards.
Subtract 144 from 328.
=184 yards.
Divide 184 by 2.
=92 yards.
So 92 yards is your length. I hope this helps love :)