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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 5 days, how long do they take together? (Nearest to the 10th...) |
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| 689 2.5 1.9 2.9 1.6 2.3 ( 11.2 ) 2.7 3.2 3.6 1.7 2 ( 13.2 ) [[ 24.4 ]] | ||
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