Question
Elijah and Risa started driving at 11.50 a.m. from City A and headed towards City B which was 345 km away. Elijah took 5 hours to complete his journey. Risa's average speed was 6 km/h faster than Elijah's. At what time did Risa arrive at City B?
3 m

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Elijah and Risa started driving at 11.50 a.m. from City A and headed towards City B which was 345 km away. Elijah took 5 hours to complete his journey. Risa's average speed was 6 km/h faster than Elijah's. At what time did Risa arrive at City B?