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940 WorkRate |
Name : _________________ |
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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...) |
If Ann does a job in 2 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
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| 940 2.8 4.5 2.1 4.1 3.2 ( 16.7 ) 1.6 3.7 2.9 2.9 1.2 ( 12.3 ) [[ 29 ]] | ||
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