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517 WorkRate |
Name : _________________ |
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If Ann does a job in 5 days, and Bob does it in 5 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 6 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
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| 517 2.5 1.5 2.2 2.1 2.8 ( 11.1 ) 3.8 4.2 3.3 3.2 4.7 ( 19.2 ) [[ 30.3 ]] | ||
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