doesn't really matter but smaller boards are easier to maneuver like a size 6 or 7's are good
depends how long it is
The word skate has one syllable.
4
If you have a board that is 1 by 12 inches that is 10 foot long you will have 10 inches of board feet. This a math problem.
2
2. Skate and Board
8.25 square feet.
That is 32 board feet.
170
Multiply 12 by 7 =84
19.6 / 4 = 4.9 inches per piece.
A "board foot" is 1 inch thick, 12 inches wide, 12 inches long. A 12 ft 2x4 would be 8 board ft- 1/3 the width, but 2X the thickness.