Question
Sean and Yen started driving at 11.36 a.m. from City D and headed towards City E which was 243 km away. Sean took 3 hours to complete his journey. Yen's average speed was 9 km/h faster than Sean's. At what time did Yen arrive at City E?
3 m

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Sean and Yen started driving at 11.36 a.m. from City D and headed towards City E which was 243 km away. Sean took 3 hours to complete his journey. Yen's average speed was 9 km/h faster than Sean's. At what time did Yen arrive at City E?