144/8 = 18
25
2o
Standard studs are spaced 16" apart. 30 feet times 12 inches = 360 inches. 360 inches divided by 16 inches = 22.5. If you are measuring left to right, the right-side stud from the frame becomes the last one. Depending on how you will compensate for the extra 8" at the end, you will need 21 or 22 2x4s.
If you have an eight square foot area, and the tiles are 112x12-inches, you will need eight. If what you meant to say was an eight foot square area, that would be 64 square feet, and you would need 64 tile. Sorry! In the first line above should read, "...and the tiles are 12x12-inches..."
I am guessing a public school graduate. 30 pavers as 12x12 is 1 foot. You are either on the metric system or kidding right?
25
72
12X12=1 Square Foot of tile. You would need 49 Square Feet of tile.
80 if the tiles are 12x12 - 12x12 is one square foot covering 80 you would need 80 tiles
2o
196
You need 0.52, so about a half.because a single 12x12 tile has an area of 144.
The tile is bigger than the area that you want to cover (12x12 > 10x11) so one tile will do. <><><><><> However, if you meant 12x12 INCH tiles, and a 10x11 FOOT room, you would need 110 tiles.
A 12x12 tile is 1 sq foot, so you will need 198 tiles.
585
168
144