640  WorkRate1
1

Name : _________________

 

refresh

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



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



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



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



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



6 people can do a job in 6 days. How many days would it take if there were only 2 people?



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



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



36 people can do a job in 10 days. How many days would it take if there were only 6 people?



54 people can do a job in 5 days. How many days would it take if there were only 9 people?



+(         )

 

(         )+

++[[          ]]++

640    30 84 48 30 18 ( 210 )   18 45 49 60 30 ( 202 )   [[ 412 ]]