479  WorkRate1
1

Name : _________________

refresh

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



16 people can do a job in 6 days. How many days would it take if there were only 8 people?



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



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



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

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



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



12 people can do a job in 12 days. How many days would it take if there were only 4 people?



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



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

+(         )

(         )+

++[[          ]]++