221  WorkRate1
1

Name : _________________

 

refresh

6 people can do a job in 5 days. How many days would it take if there were only 2 people?



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



56 people can do a job in 9 days. How many days would it take if there were only 8 people?



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



6 people can do a job in 12 days. How many days would it take if there were only 3 people?



12 people can do a job in 10 days. How many days would it take if there were only 4 people?



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



21 people can do a job in 12 days. How many days would it take if there were only 3 people?



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



18 people can do a job in 9 days. How many days would it take if there were only 3 people?



+(         )

 

(         )+

++[[          ]]++

221    15 48 63 48 24 ( 198 )   30 36 84 16 54 ( 220 )   [[ 418 ]]