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618 WorkRate |
Name : _________________ |
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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 9 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 618 3.8 3 2.2 4.1 2.2 ( 15.3 ) 2.8 4.2 2.3 1.2 1.2 ( 11.7 ) [[ 27 ]] | ||
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