You would need 111 tile, but with waste you will want to get 125 tile.
256 tiles
The tile is bigger than the area that you want to cover (12x12 > 10x11) so one tile will do. <><><><><> However, if you meant 12x12 INCH tiles, and a 10x11 FOOT room, you would need 110 tiles.
13 boxes with 13 tiles in each
585
650
80 if the tiles are 12x12 - 12x12 is one square foot covering 80 you would need 80 tiles
256 tiles
The tile is bigger than the area that you want to cover (12x12 > 10x11) so one tile will do. <><><><><> However, if you meant 12x12 INCH tiles, and a 10x11 FOOT room, you would need 110 tiles.
To determine how many 12x12 tiles you need for 60 square feet, first calculate the area of one tile. A 12x12 tile covers 1 square foot (12 inches = 1 foot). Therefore, for 60 square feet, you will need 60 tiles.
13 boxes with 13 tiles in each
168
585
650
144
375
549!
If the tiles are 12x12 inches square - you would need... 75 !