640  WorkRate1
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18 people can do a job in 11 days. How many days would it take if there were only 6 people?



27 people can do a job in 8 days. How many days would it take if there were only 9 people?



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



14 people can do a job in 8 days. How many days would it take if there were only 7 people?



25 people can do a job in 12 days. How many days would it take if there were only 5 people?

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



9 people can do a job in 6 days. How many days would it take if there were only 3 people?



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



6 people can do a job in 5 days. How many days would it take if there were only 2 people?



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

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