806  WorkRate1
 2

Name : _________________

  

refresh

49 people can do a job in 10 days. How many days would it take if there were only 7 people?



6 people can do a job in 8 days. How many days would it take if there were only 3 people?



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



9 people can do a job in 7 days. How many days would it take if there were only 3 people?



24 people can do a job in 11 days. How many days would it take if there were only 6 people?

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



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



12 명의 일꾼들이 어떤일을 끝내는데 5 일이 걸린다. 만일 6 명의 일꾼들이 하면 며칠 걸려 끝내겠는가?



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



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

+(         )

 

(         )+

++[[          ]]++
806    70 16 10 21 44 ( 161 )   36 42 10 63 40 ( 191 )   [[ 352 ]]