607  WorkRate1
1

Name : _________________

 

refresh

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



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



21 people can do a job in 10 days. How many days would it take if there were only 7 people?



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



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



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



12 people can do a job in 5 days. How many days would it take if there were only 3 people?



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



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



40 people can do a job in 11 days. How many days would it take if there were only 8 people?



+(         )

 

(         )+

++[[          ]]++

607    48 50 30 36 49 ( 213 )   24 20 30 32 55 ( 161 )   [[ 374 ]]