Question
Luis and Tammy started driving at 10.36 a.m. from City B and headed towards City C which was 252 km away. Luis took 4 hours to complete his journey. Tammy's average speed was 7 km/h faster than Luis's. At what time did Tammy arrive at City C?
3 m

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Luis and Tammy started driving at 10.36 a.m. from City B and headed towards City C which was 252 km away. Luis took 4 hours to complete his journey. Tammy's average speed was 7 km/h faster than Luis's. At what time did Tammy arrive at City C?