300Type your answer here...
300 square feet (15 x 20 = 300).
300 square feet.
forty
400 square feet.
I assume that the 15x20 is already in yards. That says that the room is a square that is 15 yards on one set of parallel sides and 20 yards on the other set of parallel sides. To find the square yards of the room, you simply multiply 15 yards and 20 yards. 15 yards x 20 yards = 300 square yards.
525 square feet.
120 square feet.
252 square feet.
324 square feet.
140 square feet.
352 square feet.
130 square feet.
770 square feet.