Question
Vincent and Jean started driving at 11.46 a.m. from City J and headed towards City K which was 280 km away. Vincent took 4 hours to complete his journey. Jean's average speed was 10 km/h faster than Vincent's. At what time did Jean arrive at City K?
3 m

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Vincent and Jean started driving at 11.46 a.m. from City J and headed towards City K which was 280 km away. Vincent took 4 hours to complete his journey. Jean's average speed was 10 km/h faster than Vincent's. At what time did Jean arrive at City K?