938  WorkRate1
 2

Name : _________________

  

refresh

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



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



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



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



18 people can do a job in 11 days. How many days would it take if there were only 3 people?

28 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 8 days. How many days would it take if there were only 5 people?



35 명의 일꾼들이 어떤일을 끝내는데 9 일이 걸린다. 만일 7 명의 일꾼들이 하면 며칠 걸려 끝내겠는가?



36 people can do a job in 11 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 3 people?

+(         )

 

(         )+

++[[          ]]++
938    24 30 12 18 66 ( 150 )   63 32 45 44 28 ( 212 )   [[ 362 ]]