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42 people can do a job in 7 days. How many days would it take if there were only 6 people?



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



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



18 people can do a job in 8 days. How many days would it take if there were only 3 people?



49 people can do a job in 5 days. How many days would it take if there were only 7 people?



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



49 people can do a job in 5 days. How many days would it take if there were only 7 people?



18 people can do a job in 12 days. How many days would it take if there were only 9 people?



36 people can do a job in 10 days. How many days would it take if there were only 9 people?



28 people can do a job in 9 days. How many days would it take if there were only 7 people?



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689    49 45 18 48 35 ( 195 )   20 35 24 40 36 ( 155 )   [[ 350 ]]