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315 WorkRate |
Name : _________________ |
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If Ann does a job in 3 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 7 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
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| 315 2.2 4.2 2 3.3 3.5 ( 15.2 ) 3.9 2 2 2.7 3.1 ( 13.7 ) [[ 28.9 ]] | ||
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