156  WorkRate1
1

Name : _________________

 

refresh

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



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



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



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



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



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



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



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



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



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



+(         )

 

(         )+

++[[          ]]++

156    48 45 15 18 63 ( 189 )   22 32 60 24 25 ( 163 )   [[ 352 ]]