763  WorkRate
Together, how long? 1

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If Ann does a job in 7 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...)



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



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



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



If Ann does a job in 6 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 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 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 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 7 days, how long do they take together? (Nearest to the 10th...)



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



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763    3.9 1.6 2.5 4.1 3.6 ( 15.7 )   1 1.3 2.4 3.2 2.9 ( 10.8 )   [[ 26.5 ]]