498  WorkRate1
1

Name : _________________

 

refresh

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



28 people can do a job in 10 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 6 people?



10 people can do a job in 11 days. How many days would it take if there were only 2 people?



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



32 people can do a job in 12 days. How many days would it take if there were only 8 people?



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



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



30 people can do a job in 8 days. How many days would it take if there were only 5 people?



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



+(         )

 

(         )+

++[[          ]]++

498    72 70 50 55 21 ( 268 )   48 35 22 48 70 ( 223 )   [[ 491 ]]