445  WorkRate1
1

Name : _________________

 

refresh

20 people can do a job in 6 days. How many days would it take if there were only 4 people?



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



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



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



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



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



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



21 people can do a job in 8 days. How many days would it take if there were only 3 people?



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



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



+(         )

 

(         )+

++[[          ]]++

445    30 66 20 32 10 ( 158 )   36 25 56 60 42 ( 219 )   [[ 377 ]]