Question

to know the number of tiles needed for a room we need to know its -------

Answer 1

Answer:

Divide the area of one tile -- in square inches -- into the total you just calculated to determine the number of tiles you need. For example, if you're tiling a 10-by-10-foot wall -- 120 by 120 inches -- and using 4-by-4-inch tiles, divide 16 square inches into 14,400 square inches to find you need 900 tiles.

Step-by-step explanation:

Hope it helps

Answer 2

Answer:

Divide the area of one tile -- in square inches -- into the total you just calculated to determine the number of tiles you need. For example, if you're tiling a 10-by-10-foot wall -- 120 by 120 inches -- and using 4-by-4-inch tiles, divide 16 square inches into 14,400 square inches to find you need 900 tiles.