154  WorkRate1
1

Name : _________________

 

refresh

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



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



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



21 people can do a job in 5 days. How many days would it take if there were only 3 people?



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



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



6 people can do a job in 7 days. How many days would it take if there were only 3 people?



12 people can do a job in 7 days. How many days would it take if there were only 4 people?



12 people can do a job in 11 days. How many days would it take if there were only 6 people?



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



+(         )

 

(         )+

++[[          ]]++

154    18 36 54 35 60 ( 203 )   36 14 21 22 20 ( 113 )   [[ 316 ]]