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638 WorkRate |
Name : _________________ |
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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 3 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
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| 638 3.2 1.6 3.1 3.7 1.3 ( 12.9 ) 2.3 3.2 2.4 2.2 2.2 ( 12.3 ) [[ 25.2 ]] | ||
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