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369 WorkRate |
Name : _________________ |
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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...) |
If Ann does a job in 7 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
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| 369 2.3 1.4 1.4 3.4 1.7 ( 10.2 ) 1.6 2.9 1.5 1.6 1.6 ( 9.2 ) [[ 19.4 ]] | ||
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