18 X 19 = 342 Square Feet.
There are thirty six 2 X 2 tiles in a Square Foot.
342 X 36 = 12312
144
6.75 Tiles
95 of them. Get 105 for breakage.
-3.5
A 13 x 13 tile is 1.74 sq ft. 144/1.74 = 123 tiles
35
144
144 assuming no waste.
41
Scrabble tiles are 0.75 inch × 0.75 inch square. Therefore, one square foot of Scrabble tiles will include 256 tiles in a square of 16 X 16 tiles.
Floor area = 12 ft x 18 ft = 216 square feet. There are 4 six-inch square tiles needed for each square foot, so 864 tiles are needed.
6.75 Tiles
236 18-inch tiles.
95 of them. Get 105 for breakage.
nine
-3.5
400