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674 WorkRate |
Name : _________________ |
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If Ann does a job in 6 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 8 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
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| 674 3.6 1.4 2.2 2.9 2.1 ( 12.2 ) 3.7 2.9 1.5 1.3 1.3 ( 10.7 ) [[ 22.9 ]] | ||
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