Question
Billy and Gwen started driving at 10.34 a.m. from City S and headed towards City T which was 312 km away. Billy took 4 hours to complete his journey. Gwen's average speed was 2 km/h faster than Billy's. At what time did Gwen arrive at City T?
3 m

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Billy and Gwen started driving at 10.34 a.m. from City S and headed towards City T which was 312 km away. Billy took 4 hours to complete his journey. Gwen's average speed was 2 km/h faster than Billy's. At what time did Gwen arrive at City T?