821  WorkRate1
1

Name : _________________

 

refresh

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



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



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



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



6 people can do a job in 5 days. How many days would it take if there were only 2 people?



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



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



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



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



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



+(         )

 

(         )+

++[[          ]]++

821    60 56 40 50 15 ( 221 )   36 66 18 36 63 ( 219 )   [[ 440 ]]