Question
Luke and Roshel started driving at 11.23 a.m. from City M and headed towards City N which was 312 km away. Luke took 4 hours to complete his journey. Roshel's average speed was 2 km/h faster than Luke's. At what time did Roshel arrive at City N?
3 m

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Luke and Roshel started driving at 11.23 a.m. from City M and headed towards City N which was 312 km away. Luke took 4 hours to complete his journey. Roshel's average speed was 2 km/h faster than Luke's. At what time did Roshel arrive at City N?