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576 WorkRate |
Name : _________________ |
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If Ann does a job in 6 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 576 2.4 2.9 2.7 1.6 1.9 ( 11.5 ) 2.8 2.7 2.8 1.6 2.5 ( 12.4 ) [[ 23.9 ]] | ||
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