157 18 by 18 tiles are needed to cover 352 square feet.
128.2 tiles
1540
216- 2x2
2400 tiles if you don't get any extra
It depends on how big the tiles are.
157 18 by 18 tiles are needed to cover 352 square feet.
616 3x6 inch tiles are needed to cover exactly 77 square feet.
128.2 tiles
1540
240 square tiles are needed
6' x 9' (54 square feet) = 6 square yards of tiles needed.
216- 2x2
2400 tiles if you don't get any extra
236 18-inch tiles.
It would be 9 tiles wide by 12 tiles long. That gives you a total of 108 tiles.
You will need 44 six inch tiles to cover 11 square feet.