217  WorkRate1
1

Name : _________________

refresh

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



6 people can do a job in 9 days. How many days would it take if there were only 2 people?



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



20 people can do a job in 12 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 3 people?

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



6 people can do a job in 7 days. How many days would it take if there were only 3 people?



49 people can do a job in 12 days. How many days would it take if there were only 7 people?



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



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

+(         )

(         )+

++[[          ]]++