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439 WorkRate |
Name : _________________ |
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If Ann does a job in 4 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 3 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
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| 439 2.4 3.1 4.1 1.4 3.1 ( 14.1 ) 2.1 1.6 1.6 2.5 3.2 ( 11 ) [[ 25.1 ]] | ||
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