441  WorkRate1
1

Name : _________________

 

refresh

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



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



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



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



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



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



42 people can do a job in 6 days. How many days would it take if there were only 7 people?



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



12 people can do a job in 7 days. How many days would it take if there were only 4 people?



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



+(         )

 

(         )+

++[[          ]]++

441    27 54 63 25 30 ( 199 )   18 36 35 21 54 ( 164 )   [[ 363 ]]