Question
Warren and Mary started driving at 10.44 a.m. from City S and headed towards City T which was 315 km away. Warren took 5 hours to complete his journey. Mary's average speed was 7 km/h faster than Warren's. At what time did Mary arrive at City T?
3 m

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Warren and Mary started driving at 10.44 a.m. from City S and headed towards City T which was 315 km away. Warren took 5 hours to complete his journey. Mary's average speed was 7 km/h faster than Warren's. At what time did Mary arrive at City T?