243  WorkRate1
1

Name : _________________

 

refresh

12 people can do a job in 9 days. How many days would it take if there were only 2 people?



14 people can do a job in 9 days. How many days would it take if there were only 2 people?



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



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



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



18 people can do a job in 11 days. How many days would it take if there were only 6 people?



42 people can do a job in 11 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 9 people?



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



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



+(         )

 

(         )+

++[[          ]]++

243    54 63 36 50 36 ( 239 )   33 66 18 30 63 ( 210 )   [[ 449 ]]