Answer:
Noah needs 150 tiles
Explanation:
First you have to find the area of the room.
A = l x w
A = 20 x 15
A = 300
Then you take the area and divide it by the area of the
tiles to get the amount of tiles Noah needs.
300 ÷ 2 = 150
Noah needs 150 tiles to cover the 300 ft room.