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979 WorkRate |
Name : _________________ |
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If Ann does a job in 10 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 7 days, how long do they take together? (Nearest to the 10th...) |
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| 979 3.8 1.6 1.6 1.9 3.2 ( 12.1 ) 2.5 1.6 1.6 3.1 1.6 ( 10.4 ) [[ 22.5 ]] | ||
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