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166 WorkRate |
Name : _________________ |
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If Ann does a job in 10 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 5 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 166 2.3 2.5 2.5 4.4 1.7 ( 13.4 ) 2.2 3.9 4.2 3.3 1.5 ( 15.1 ) [[ 28.5 ]] | ||
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