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821 WorkRate |
Name : _________________ |
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If Ann does a job in 8 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 7 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
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| 821 2.2 1.9 3 5 1.6 ( 13.7 ) 2.1 1.6 1.6 1.6 2.3 ( 9.2 ) [[ 22.9 ]] | ||
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