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571 WorkRate |
Name : _________________ |
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If Ann does a job in 5 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 5 days, how long do they take together? (Nearest to the 10th...) |
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| 571 3.1 2.5 2.2 1.7 3.1 ( 12.6 ) 2.9 2.8 1.6 3.6 2.2 ( 13.1 ) [[ 25.7 ]] | ||
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