Question
Glen and Diana started driving at 11.43 a.m. from City H and headed towards City J which was 280 km away. Glen took 4 hours to complete his journey. Diana's average speed was 10 km/h faster than Glen's. At what time did Diana arrive at City J?
3 m

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Glen and Diana started driving at 11.43 a.m. from City H and headed towards City J which was 280 km away. Glen took 4 hours to complete his journey. Diana's average speed was 10 km/h faster than Glen's. At what time did Diana arrive at City J?