455  WorkRate1
1

Name : _________________

 

refresh

20 people can do a job in 6 days. How many days would it take if there were only 4 people?



6 people can do a job in 9 days. How many days would it take if there were only 2 people?



24 people can do a job in 9 days. How many days would it take if there were only 4 people?



20 people can do a job in 11 days. How many days would it take if there were only 5 people?



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



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



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



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



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



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



+(         )

 

(         )+

++[[          ]]++

455    30 27 54 44 25 ( 180 )   36 14 30 10 18 ( 108 )   [[ 288 ]]