Question
Charlie and Joelle started driving at 11.31 a.m. from City P and headed towards City Q which was 304 km away. Charlie took 4 hours to complete his journey. Joelle's average speed was 4 km/h faster than Charlie's. At what time did Joelle arrive at City Q?
3 m

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Charlie and Joelle started driving at 11.31 a.m. from City P and headed towards City Q which was 304 km away. Charlie took 4 hours to complete his journey. Joelle's average speed was 4 km/h faster than Charlie's. At what time did Joelle arrive at City Q?