866  WorkRate1
1

Name : _________________

 

refresh

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



42 people can do a job in 6 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?



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



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



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



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



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



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



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



+(         )

 

(         )+

++[[          ]]++

866    45 36 24 28 22 ( 155 )   22 50 63 60 42 ( 237 )   [[ 392 ]]