888  WorkRate
Together, how long? 1

Name : _________________

 

refresh

If Ann does a job in 9 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 10 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 7 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 2 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 8 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 3 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 3 days, and Bob does it in 5 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 8 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 7 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 5 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...)



+(         )

 

(         )+

++[[          ]]++

888    4.5 1.7 2.5 1.6 4 ( 14.3 )   2.3 1.9 2.7 3.5 3.3 ( 13.7 )   [[ 28 ]]