Mathematics, 21.04.2020 04:15 danielahalesp87vj0

Martin, Josh, and Alex are painting an office. When Martin paints an office alone it takes him 9 hours to complete the room. When Alex paints an office it takes 10 hours to complete the room. If Martin, Josh, and Alex work together, they can paint the room in 3 hours. If Josh has to paint the room alone, how long would it take?

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Martin, Josh, and Alex are painting an office. When Martin paints an office alone it takes him 9 hou...

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