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615 WorkRate |
Name : _________________ |
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If Ann does a job in 6 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
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| 615 2 3.2 2.3 2.5 2.2 ( 12.2 ) 3.6 2.2 1.3 1.3 1.4 ( 9.8 ) [[ 22 ]] | ||
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