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Mathematics, 13.03.2021 06:00 shan8747

Working alone, Mandi can complete a project in 7 h. It would take Colin 3 h to complete the same project. If they work together, how long will it
take them to complete the project?

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Working alone, Mandi can complete a project in 7 h. It would take Colin 3 h to complete the same pr...
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