It depends on the size of the plywood sheets.
88 sheets of plywood provided that standard size sheets are used(4ft x 8ft)
20 of them.
Depends on the size of the sheets of plywood.
Assuming the plywood comes in 4' by 8' sheets you would need 6 sheets to cover a 12' by 16' area.
It depends on the size of the sheets that you get!
Approx. 113 sheets
It depends on how big a sheet of plywood you are talking about.
That depends entirely on the size of the sheets !
25 will cover it. I'd get 28.