463  WorkRate1
1

Name : _________________

 

refresh

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



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



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



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



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



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



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



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



49 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 7 days. How many days would it take if there were only 3 people?



+(         )

 

(         )+

++[[          ]]++

463    30 70 60 25 36 ( 221 )   24 36 12 42 28 ( 142 )   [[ 363 ]]