416  WorkRate1
1

Name : _________________

 

refresh

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



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



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



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



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



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



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



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



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



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



+(         )

 

(         )+

++[[          ]]++

416    16 24 49 12 54 ( 155 )   42 20 25 36 21 ( 144 )   [[ 299 ]]