Divide the area of the windows by the area of the sheets. Note: 3x5 and 2x4 are not areas, they are numbers. And you don't say how big the sheets are, so it is difficult to be helpful.
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!
It depends on how big a sheet of plywood you are talking about.
25 will cover it. I'd get 28.
That depends entirely on the size of the sheets !
It depends on the size of the plywood sheets.
I
Assuming the plywood comes in 4' by 8' sheets you would need 6 sheets to cover a 12' by 16' area.
6-4'x8' sheets
Approx. 113 sheets
It depends on the size of the sheets that you get!
It depends on how big a sheet of plywood you are talking about.
25 will cover it. I'd get 28.
That depends entirely on the size of the sheets !
9
7
88 sheets of plywood provided that standard size sheets are used(4ft x 8ft)