978  WorkRate1
1

Name : _________________

 

refresh

36 people can do a job in 10 days. How many days would it take if there were only 9 people?



24 people can do a job in 5 days. How many days would it take if there were only 4 people?



9 people can do a job in 11 days. How many days would it take if there were only 3 people?



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



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



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



8 people can do a job in 9 days. How many days would it take if there were only 2 people?



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



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



20 people can do a job in 10 days. How many days would it take if there were only 4 people?



+(         )

 

(         )+

++[[          ]]++

978    40 30 33 36 77 ( 216 )   16 36 72 35 50 ( 209 )   [[ 425 ]]