412  WorkRate1
1

Name : _________________

 

refresh

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



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



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



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



8 people can do a job in 10 days. How many days would it take if there were only 2 people?



32 people can do a job in 5 days. How many days would it take if there were only 8 people?



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



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



28 people can do a job in 8 days. How many days would it take if there were only 4 people?



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



+(         )

 

(         )+

++[[          ]]++

412    77 12 30 72 40 ( 231 )   20 84 36 56 12 ( 208 )   [[ 439 ]]