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970 WorkRate |
Name : _________________ |
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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...) |
If Ann does a job in 4 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
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| 970 4.5 2.3 2.9 2.2 4.5 ( 16.4 ) 1.7 2.2 3.1 4 1.5 ( 12.5 ) [[ 28.9 ]] | ||
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