As a carpet layer, you are cutting a section of carpet to fit a specific room. The carpet has been precut to fit the 12-foot-wide room, and you know that the area of the room is 180 square feet. Which formula can be used to calculate the length of the room? What is the length of carpet, in feet, that you need to cut?
1) l = aw
2) 20
3) 15
4) Cannot be determined
