296  WorkRate
Together, how long? 1

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If Ann does a job in 3 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 10 days, and Bob does it in 3 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 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 2 days, and Bob does it in 9 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 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 2 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...)



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



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296    2.2 4.5 2.3 3.6 3.2 ( 15.8 )   1.6 2.9 1.3 1.5 4.2 ( 11.5 )   [[ 27.3 ]]