Question
Vincent and Irene started driving at 10.47 a.m. from City U and headed towards City V which was 252 km away. Vincent took 4 hours to complete his journey. Irene's average speed was 9 km/h faster than Vincent's. At what time did Irene arrive at City V?
3 m

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Vincent and Irene started driving at 10.47 a.m. from City U and headed towards City V which was 252 km away. Vincent took 4 hours to complete his journey. Irene's average speed was 9 km/h faster than Vincent's. At what time did Irene arrive at City V?