521  WorkRate1
1

Name : _________________

 

refresh

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



28 people can do a job in 5 days. How many days would it take if there were only 4 people?



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



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



16 people can do a job in 9 days. How many days would it take if there were only 8 people?



27 people can do a job in 7 days. How many days would it take if there were only 9 people?



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



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



30 people can do a job in 10 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?



+(         )

 

(         )+

++[[          ]]++

521    30 35 20 24 18 ( 127 )   21 36 42 60 30 ( 189 )   [[ 316 ]]