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689 WorkRate |
Name : _________________ |
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If Ann does a job in 7 days, and Bob does it in 4 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...) |
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| 689 2.5 1.9 3.1 1.3 2 ( 10.8 ) 2.4 4.4 3.6 1.7 2.2 ( 14.3 ) [[ 25.1 ]] | ||
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