The answer depends on the measurement unis used for the numbers given in the question. It should be obvious to everyone that the number of square yards for a room which is 11.9 feet by 18 feet will be different to one for a room which is 11.9 yards by 18 yards.
32 square feet of carpet. Elementary my dear. Elementary
13.333 square yards.
20 i think
28 * 18 / 9 = 56 square yards.
1,440 square feet or 160 square yards.
25yds
20 square yards
Roughly 22 square yards.
4 1/3 squared is .. about 19 square yards
450 sq ft
A 12 by 15 room: 12 x 15 = 180 180 divided by 9 = 20 (one yard is 9 square feet) So, depending on the room, you might need 20 to 21 yards of carpet for a 12 by 15 room. John
18' x 16' (288 square feet) = 32 square yards.