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161 WorkRate |
Name : _________________ |
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If Ann does a job in 10 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 5 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
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| 161 4.1 3.9 1.6 2.2 2.9 ( 14.7 ) 3.1 2.2 2.2 3.2 3.7 ( 14.4 ) [[ 29.1 ]] | ||
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