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167 WorkRate |
Name : _________________ |
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If Ann does a job in 10 days, and Bob does it in 2 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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| 167 1.7 1.7 2.4 2.9 1.7 ( 10.4 ) 2.2 3.9 3.9 4.5 2.5 ( 17 ) [[ 27.4 ]] | ||
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