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14 people can do a job in 11 days. How many days would it take if there were only 7 people?



21 people can do a job in 11 days. How many days would it take if there were only 7 people?



63 people can do a job in 11 days. How many days would it take if there were only 9 people?



8 people can do a job in 10 days. How many days would it take if there were only 4 people?



10 people can do a job in 7 days. How many days would it take if there were only 2 people?

18 people can do a job in 12 days. How many days would it take if there were only 3 people?



8 people can do a job in 5 days. How many days would it take if there were only 4 people?



24 명의 일꾼들이 어떤일을 끝내는데 5 일이 걸린다. 만일 6 명의 일꾼들이 하면 며칠 걸려 끝내겠는가?



16 people can do a job in 8 days. How many days would it take if there were only 8 people?



6 people can do a job in 11 days. How many days would it take if there were only 2 people?

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