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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 6 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
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| 439 2.4 4.1 3.2 1.3 3.1 ( 14.1 ) 1.5 4.1 3.8 1.7 1.2 ( 12.3 ) [[ 26.4 ]] | ||
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