900  WorkRate1
1

Name : _________________

 

refresh

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



14 people can do a job in 9 days. How many days would it take if there were only 7 people?



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



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



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



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



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



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



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



21 people can do a job in 10 days. How many days would it take if there were only 3 people?



+(         )

 

(         )+

++[[          ]]++

900    72 18 44 60 18 ( 212 )   20 36 24 54 70 ( 204 )   [[ 416 ]]