637  WorkRate1
1

Name : _________________

 

refresh

42 people can do a job in 10 days. How many days would it take if there were only 6 people?



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



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



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



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



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



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



10 people can do a job in 12 days. How many days would it take if there were only 5 people?



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



63 people can do a job in 11 days. How many days would it take if there were only 9 people?



+(         )

 

(         )+

++[[          ]]++

637    70 14 35 48 33 ( 200 )   20 42 24 30 77 ( 193 )   [[ 393 ]]