Question
Jack and Gwen started driving at 11.47 a.m. from City G and headed towards City H which was 360 km away. Jack took 5 hours to complete his journey. Gwen's average speed was 8 km/h faster than Jack's. At what time did Gwen arrive at City H?
3 m

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Jack and Gwen started driving at 11.47 a.m. from City G and headed towards City H which was 360 km away. Jack took 5 hours to complete his journey. Gwen's average speed was 8 km/h faster than Jack's. At what time did Gwen arrive at City H?