39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
A) 10
B) 13
C) 14
D) 15
Answer:
B) 13
39 people can repair a road in 12 days
39 people can repair a road in 12 days
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