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689 WorkRate |
Name : _________________ |
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If Ann does a job in 7 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
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...) |
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| 689 3.7 2.2 1.9 3.6 4.1 ( 15.5 ) 3.6 2.2 2.3 3.8 2.8 ( 14.7 ) [[ 30.2 ]] | ||
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