181  WorkRate1
1

Name : _________________

 

refresh

6 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 11 days. How many days would it take if there were only 7 people?



8 people can do a job in 11 days. How many days would it take if there were only 2 people?



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



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



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



21 people can do a job in 11 days. How many days would it take if there were only 7 people?



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



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



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



+(         )

 

(         )+

++[[          ]]++

181    21 66 44 42 45 ( 218 )   42 33 28 40 72 ( 215 )   [[ 433 ]]