Question
Billy and Raeann started driving at 9.50 a.m. from City Y and headed towards City Z which was 405 km away. Billy took 5 hours to complete his journey. Raeann's average speed was 9 km/h faster than Billy's. At what time did Raeann arrive at City Z?
3 m

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Billy and Raeann started driving at 9.50 a.m. from City Y and headed towards City Z which was 405 km away. Billy took 5 hours to complete his journey. Raeann's average speed was 9 km/h faster than Billy's. At what time did Raeann arrive at City Z?