Question
Caden and Yen started driving at 11.31 a.m. from City Z and headed towards City A which was 312 km away. Caden took 4 hours to complete his journey. Yen's average speed was 2 km/h faster than Caden's. At what time did Yen arrive at City A?
3 m

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Caden and Yen started driving at 11.31 a.m. from City Z and headed towards City A which was 312 km away. Caden took 4 hours to complete his journey. Yen's average speed was 2 km/h faster than Caden's. At what time did Yen arrive at City A?