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979 WorkRate |
Name : _________________ |
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If Ann does a job in 10 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 979 2.9 1.3 3.7 1.6 1.7 ( 11.2 ) 2.8 4 4.2 1.3 2.1 ( 14.4 ) [[ 25.6 ]] | ||
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