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711 WorkRate |
Name : _________________ |
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If Ann does a job in 7 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 2 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
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| 711 3.9 4.4 2.2 2.9 3.4 ( 16.8 ) 1.7 2.9 2.4 3.2 4.5 ( 14.7 ) [[ 31.5 ]] | ||
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