You would need at most 54 ft times the hight of the room, less the area occupied by the door(s) and any windows.
90 feet squared of carpet is needed.
12 * 17 = 204 square feet =============
Four tiles are needed.
measure length of the room in feet and then width of the room in feet and multiply the two numbers together
19 sq yards if the 14.3 is 14' +3"
90 feet squared of carpet is needed.
In order to calculate that, we also need to know the length of the room.
you will need 84 sq. yards of wallpaper
14.) A room is 24 feet long, 18 feet wide, and 9 feet high. How many square yards of wallpaper are needed to paper the four walls of the room?
12 * 17 = 204 square feet =============
18 ft times 24 ft = 432 square feet is needed
97.5 yards
84 square yards
20 square yards
Four tiles are needed.
9
13.5 x 81.8 = 1104.3 square feet = 122.7 square yards