Weegy: The formula is:
(square footage of the carpet / square footage of the room) x 100
100/150 is .6667; multiply that by 100 to get 66.67 percent. If you want to carpet the room wall-to-wall, you need more carpet. [
OTOH, if you have a 200 square foot carpet and a 100 square foot room...
(200/100) x 100 = the carpet is 200 percent of the size of the room, and you'll have to cut half of it off.
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