785  WorkRate
Together, how long? 1

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



If Ann does a job in 10 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 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 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 7 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 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...)



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785    3.7 2.9 3.8 3.3 2 ( 15.7 )   3.5 1 1.6 1.4 3.6 ( 11.1 )   [[ 26.8 ]]