Marcus painted one-third of his bedroom in fourth-fifths of an hour. At this rate, how long would it take him to paint the entire room? five-twelfths of an hour twelve-fifths of an hour fifteen-fourths of an hour four-fifteenths of an hour

Respuesta :

1/3rd in 4/5th of an hour
so overall time will be 3 times of that,which is 
3×4/5 so is b i hope that help
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B is your answer

Hope this helps