Question
Ken and Shiyun started driving at 11.44 a.m. from City Q and headed towards City R which was 315 km away. Ken took 5 hours to complete his journey. Shiyun's average speed was 7 km/h faster than Ken's. At what time did Shiyun arrive at City R?
3 m

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Ken and Shiyun started driving at 11.44 a.m. from City Q and headed towards City R which was 315 km away. Ken took 5 hours to complete his journey. Shiyun's average speed was 7 km/h faster than Ken's. At what time did Shiyun arrive at City R?