Area of sheet of board = 39 × 52 = 2028 Area of a single pad = 6 × 12 = 72 Number of pads you would get out of a sheet = 2028 ÷ 72 = 28.1666... 0.1666... of a pad is not a whole pad so it can be ignored; You would get 28 pads from one sheet of board.