618  WorkRate1
1

Name : _________________

 

refresh

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



63 people can do a job in 6 days. How many days would it take if there were only 9 people?



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



15 people can do a job in 10 days. How many days would it take if there were only 3 people?



24 people can do a job in 6 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 6 people?



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



16 people can do a job in 6 days. How many days would it take if there were only 8 people?



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



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



+(         )

 

(         )+

++[[          ]]++

618    60 42 45 50 18 ( 215 )   24 48 12 42 63 ( 189 )   [[ 404 ]]