Question 1170304
<br>
The dimensions of the room in meters are 11 2/3 by 7 7/8, or 35/3 by 63/8.<br>
(1) Get a common denominator; the dimensions are 280/24 by 189/24.<br>
(2) Factor out the greatest common divisor of the two numerators; the dimensions are 7*40/24 by 7*27/24.<br>
The side length of the square tiles is the "greatest common divisor" of the two dimensions, which is 7/24. The number of tiles needed is 40*27 = 1080.<br>
ANSWER B: 1080<br>