773  WorkRate
Together, how long? 1

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



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



If Ann does a job in 7 days, and Bob does it in 5 days, how long do they take together? (Nearest to the 10th...)



If Ann does a job in 2 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 2 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 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 4 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...)



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773    3.2 2.5 5 2.9 2.9 ( 16.5 )   1.6 1.5 3.8 2.4 2.5 ( 11.8 )   [[ 28.3 ]]