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Mathematics, 31.08.2019 23:30 miriam62

Working together, rocco and giulia can paint a room in 3 hours. it would take rocco 7 hours to do it alone. what is giulia's rate of work in parts per hour?

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Working together, rocco and giulia can paint a room in 3 hours. it would take rocco 7 hours to do it...

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