### 225 square feet of tile the tiles are 5 inches squares and are packed 75 to a box what is the minimum number of boxes of tiles?

18 cases Math: each tile is 5in X 5in = 25 square inches per tile 25 square inches per tile X 75 tiles per box = 1875 square inches per case 1875 square inches per case / 144 square inches per square foot = 13 square feet per case 225 square feet in the room / 13 square feet per case = 17.3 cases or 18 full cases.