290  WorkRate1
1

Name : _________________

 

refresh

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



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



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



48 people can do a job in 5 days. How many days would it take if there were only 8 people?



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



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



28 people can do a job in 10 days. How many days would it take if there were only 4 people?



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



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



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



+(         )

 

(         )+

++[[          ]]++

290    84 24 25 30 28 ( 191 )   40 70 30 35 22 ( 197 )   [[ 388 ]]