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685 WorkRate |
Name : _________________ |
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If Ann does a job in 7 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 10 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
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| 685 3.2 3.9 1.7 3.2 2.9 ( 14.9 ) 4.4 2.8 2.2 2.5 2.2 ( 14.1 ) [[ 29 ]] | ||
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