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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 3.7 1.3 2 3.8 ( 14.9 ) 3.1 1.6 1.4 2.5 3.5 ( 12.1 ) [[ 27 ]] | ||
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