SOLUTION: Rob can complete his bus route in 4 hours. Joan can complete her route in 2 hours. If they both leave the terminal at 5:00 am and after each completed route return to the termina

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Question 401294: Rob can complete his bus route in 4 hours. Joan can complete her route in 2 hours. If they both leave the terminal at 5:00 am and after each completed route return to the terminal, when is the next time they both leave the terminal at the same time?
Answer by robertb(5830) About Me  (Show Source):