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820 WorkRate |
Name : _________________ |
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If Ann does a job in 8 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 3 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 820 2.7 2.9 1.6 3.1 2.9 ( 13.2 ) 1.7 1.9 3.7 3.6 3.7 ( 14.6 ) [[ 27.8 ]] | ||
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