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886 WorkRate |
Name : _________________ |
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If Ann does a job in 9 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
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...) |
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| 886 2.2 3.3 1.4 2 3.9 ( 12.8 ) 5 4.2 2.7 3.9 2.8 ( 18.6 ) [[ 31.4 ]] | ||
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