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641 WorkRate |
Name : _________________ |
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If Ann does a job in 6 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 4 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 641 3 1.5 1.6 2.5 4.7 ( 13.3 ) 2 1.5 1 2.2 4.4 ( 11.1 ) [[ 24.4 ]] | ||
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