SOLUTION: Roger can hang wallpaper on a square wall with 12-ft sides in 40 minutes. Assuming the wallpaper is hung at the same rate, how long will it take him to cover a square section of wa

Algebra ->  Length-and-distance -> SOLUTION: Roger can hang wallpaper on a square wall with 12-ft sides in 40 minutes. Assuming the wallpaper is hung at the same rate, how long will it take him to cover a square section of wa      Log On


   

Question 49606: Roger can hang wallpaper on a square wall with 12-ft sides in 40 minutes. Assuming the wallpaper is hung at the same rate, how long will it take him to cover a square section of wall with 6-ft sides?


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Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
12^2/40=6^2/X OR 144/40=36/X OR 144X=1440 OR X=1440/144 OR X=10 MINUTES.