842  WorkRate1
1

Name : _________________

 

refresh

28 people can do a job in 10 days. How many days would it take if there were only 7 people?



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



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



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



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



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



49 people can do a job in 11 days. How many days would it take if there were only 7 people?



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



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



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



+(         )

 

(         )+

++[[          ]]++

842    40 16 40 36 32 ( 164 )   84 77 40 32 44 ( 277 )   [[ 441 ]]