Question
Billy and Min started driving at 11.47 a.m. from City P and headed towards City Q which was 252 km away. Billy took 4 hours to complete his journey. Min's average speed was 7 km/h faster than Billy's. At what time did Min arrive at City Q?
3 m

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Billy and Min started driving at 11.47 a.m. from City P and headed towards City Q which was 252 km away. Billy took 4 hours to complete his journey. Min's average speed was 7 km/h faster than Billy's. At what time did Min arrive at City Q?