127  WorkRate1
1

Name : _________________

 

refresh

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



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



42 people can do a job in 11 days. How many days would it take if there were only 7 people?



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



16 people can do a job in 11 days. How many days would it take if there were only 4 people?



25 people can do a job in 9 days. How many days would it take if there were only 5 people?



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



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



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



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



+(         )

 

(         )+

++[[          ]]++

127    49 12 66 66 44 ( 237 )   45 63 21 56 20 ( 205 )   [[ 442 ]]