Casey can clean 5/18 of a section in 1 minute.
Therefore, he can clean 1 section in (18/5) * 1 = <<(18/5)*1=3.6>>3.6 minutes.
Thus, he needs (5/6) * 3.6 = <<(5/6)*3.6=3>>3 minutes to clean what is left. Answer: \boxed{3}.
Casey has 5/6 left of a section of sidewalk to clean. if he can clean 5/18 of a section in 1 minute, how long will it take him to clean what is left?
1 answer