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

Martin Josh and Alex are painting an office when Martin paints in office alone it takes him nine hours to complete the room When Alex paints in the office it ta class=

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Answer:

3.25

Step-by-step explanation:

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