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330 WorkRate |
Name : _________________ |
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If Ann does a job in 3 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 7 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
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| 330 2.3 1.3 3.3 3.1 1.6 ( 11.6 ) 1.6 2.7 1.5 1.6 1.6 ( 9 ) [[ 20.6 ]] | ||
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