567  WorkRate
Together, how long? 1

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If Ann does a job in 5 days, and Bob does it in 3 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 6 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 6 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 5 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 2 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 2 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 2 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...)



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



If Ann does a job in 5 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...)



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567    1.9 2.5 2 3 1.4 ( 10.8 )   1.6 1.2 1.3 4.7 3.1 ( 11.9 )   [[ 22.7 ]]