497  WorkRate1
1

Name : _________________

 

refresh

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



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



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



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



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



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



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



9 people can do a job in 5 days. How many days would it take if there were only 3 people?



35 people can do a job in 10 days. How many days would it take if there were only 5 people?



14 people can do a job in 11 days. How many days would it take if there were only 7 people?



+(         )

 

(         )+

++[[          ]]++

497    84 24 25 72 28 ( 233 )   24 35 15 70 22 ( 166 )   [[ 399 ]]