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999 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 9 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
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| 999 4.1 3.7 1.2 2.7 3.6 ( 15.3 ) 4.2 1.6 1.7 2 3.5 ( 13 ) [[ 28.3 ]] | ||
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