The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. The room is 109 inches long and 103 inches wide. How many tiles, including parts of tiles, are needed to complete the job? Question 3 options:
Accepted Solution
A:
Find the total area of the room 109 * 103 =Β 11227 inches^2 the tile takes up 3*3 = 9 inches^2 11227/9 =Β 1247.4 You need 1247 tiles and 0.4 of a tile. Or you could just get 1248 and cut the last tile a bit :P