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969 WorkRate |
Name : _________________ |
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If Ann does a job in 9 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
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| 969 4.2 3.2 1.5 3.2 2.1 ( 14.2 ) 4.5 2.7 2.7 3.4 1.6 ( 14.9 ) [[ 29.1 ]] | ||
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