462  WorkRate1
1

Name : _________________

 

refresh

16 people can do a job in 7 days. How many days would it take if there were only 4 people?



20 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 11 days. How many days would it take if there were only 4 people?



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



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



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



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



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



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



12 people can do a job in 12 days. How many days would it take if there were only 3 people?



+(         )

 

(         )+

++[[          ]]++

462    28 45 55 60 20 ( 208 )   20 20 24 70 48 ( 182 )   [[ 390 ]]