240 sq ft = 240x12x12 = 34560 sq inches
Each tikle is 18 x 18 = 324 sq inches
Thus you need 34560/324 = 107 tiles
Chat with our AI personalities
67 tiles.
288
266.666666666 so rounding up 267 tiles.
10
The answer will depend on the units used for measuring the tiles which you have failed to specify.