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16 people can do a job in 6 days. How many days would it take if there were only 4 people?



20 people can do a job in 7 days. How many days would it take if there were only 4 people?



20 people can do a job in 9 days. How many days would it take if there were only 4 people?



48 people can do a job in 11 days. How many days would it take if there were only 8 people?



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

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



28 people can do a job in 8 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 5 people?



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



15 people can do a job in 10 days. How many days would it take if there were only 3 people?

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