6 pieces of plywood will cover this area without a lot of piecing.
11 of them.
Well honey, let me break it down for you. If you have a 10x12 area to cover and you're using 4x8 pieces of plywood, you'll need 4 pieces. Just divide the total area by the area of each piece and voila! Math can be your best friend, darling.
It depends on the size of the plywood sheets.
25 will cover it. I'd get 28.
6
It depends on how big a sheet of plywood you are talking about.
I
140
20
one
46.87
55