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898 WorkRate |
Name : _________________ |
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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...) |
If Ann does a job in 3 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
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| 898 4.2 5 2.5 1.5 4 ( 17.2 ) 2.3 1.7 2.7 3.5 3.6 ( 13.8 ) [[ 31 ]] | ||
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