421  WorkRate
Together, how long? 1

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If Ann does a job in 4 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...)



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



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



If Ann does a job in 7 days, and Bob does it in 3 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 8 days, and Bob does it in 6 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 10 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 3 days, and Bob does it in 4 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...)

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