447  WorkRate1
1

Name : _________________

 

refresh

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



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



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



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



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



40 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 8 days. How many days would it take if there were only 9 people?



9 people can do a job in 7 days. How many days would it take if there were only 3 people?



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



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



+(         )

 

(         )+

++[[          ]]++

447    49 15 36 42 40 ( 182 )   35 16 21 35 12 ( 119 )   [[ 301 ]]