347  WorkRate1
1

Name : _________________

 

refresh

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 7 days. How many days would it take if there were only 3 people?



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



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



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



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



48 people can do a job in 7 days. How many days would it take if there were only 8 people?



14 people can do a job in 7 days. How many days would it take if there were only 2 people?



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



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



+(         )

 

(         )+

++[[          ]]++

347    30 42 36 44 20 ( 172 )   27 42 49 36 60 ( 214 )   [[ 386 ]]