Tiles that are two feet on a side cover 4 square feet. 378 of them cover 1512 square feet.
Assuming the tiles are 6" x 20", the area of 1 tile = 1/2 x (1 and 2/3) = 1/2 x 5/3 square feet which is 5/6 square feet. To cover 1800 sq ft, the number of tiles required is 1800 / (5/6) = 1800 x 6/5 = 360 x 6 = 2160
76.6 tiles
67 tiles.
157 18 by 18 tiles are needed to cover 352 square feet.
It depends on how big the tiles are.
Tiles that are two feet on a side cover 4 square feet. 378 of them cover 1512 square feet.
Assuming the tiles are 6" x 20", the area of 1 tile = 1/2 x (1 and 2/3) = 1/2 x 5/3 square feet which is 5/6 square feet. To cover 1800 sq ft, the number of tiles required is 1800 / (5/6) = 1800 x 6/5 = 360 x 6 = 2160
76.6 tiles
67 tiles.
192 tiles
157 18 by 18 tiles are needed to cover 352 square feet.
start with 38 tiles.
Two tiles will suffice since they will cover 36 square feet.
616 3x6 inch tiles are needed to cover exactly 77 square feet.
110 tiles
1296 Tiles