0
Anonymous
401
Wiki User
1,000,000,000
400 20x20=400x1=400
400 (20x20) square inches is 2.78 square feet.
20x20 = 400 2x4= 8 400/8= 50 needed
400
20x20
2x2x2x2x
25p
14
depends where u buy it?
a lot