230  WorkRate
Together, how long? 1

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If Ann does a job in 2 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 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 9 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 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 4 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 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 5 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...)



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



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230    1.2 2.7 3.6 4.7 1.5 ( 13.7 )   2.4 2.9 4.1 3.3 2 ( 14.7 )   [[ 28.4 ]]