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878 WorkRate |
Name : _________________ |
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If Ann does a job in 9 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 3 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
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| 878 4.7 2.1 1.3 3.5 2.2 ( 13.8 ) 2.3 5 3.4 2.2 3.1 ( 16 ) [[ 29.8 ]] | ||
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