591  WorkRate
Together, how long? 1

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



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



If Ann does a job in 8 days, and Bob does it in 9 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 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 5 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 9 days, and Bob does it in 5 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 9 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 4 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 5 days, how long do they take together? (Nearest to the 10th...)



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591    2.7 2 4.2 4 4.5 ( 17.4 )   3.3 3.2 3.6 2.7 1.9 ( 14.7 )   [[ 32.1 ]]