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164 WorkRate |
Name : _________________ |
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If Ann does a job in 10 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
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| 164 5 2.3 4.4 2.5 1.2 ( 15.4 ) 4.5 2 2.1 2.3 3.2 ( 14.1 ) [[ 29.5 ]] | ||
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