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Mathematics, 01.11.2020 14:00 jb141553
Alexander and lan can each wash a car and vacuum its interior in 2 hours. Anjo needs
3 hours to do the same job by himself. If Anjo, Alexander, and lan work together, how long
will it take them to clean a car?
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Answers: 1
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Alexander and lan can each wash a car and vacuum its interior in 2 hours. Anjo needs
3 hours to do...
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