648  WorkRate1
1

Name : _________________

 

refresh

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



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



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



9 people can do a job in 11 days. How many days would it take if there were only 3 people?



35 people can do a job in 10 days. How many days would it take if there were only 5 people?



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



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



30 people can do a job in 12 days. How many days would it take if there were only 5 people?



16 people can do a job in 12 days. How many days would it take if there were only 8 people?



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



+(         )

 

(         )+

++[[          ]]++

648    45 21 36 33 70 ( 205 )   22 60 72 24 25 ( 203 )   [[ 408 ]]