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447 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 8 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
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| 447 2.4 3.2 1.2 2.5 2 ( 11.3 ) 4 2.5 1.5 1.9 4.4 ( 14.3 ) [[ 25.6 ]] | ||
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