Question
Tommy and Betty started driving at 10.44 a.m. from City R and headed towards City S which was 405 km away. Tommy took 5 hours to complete his journey. Betty's average speed was 9 km/h faster than Tommy's. At what time did Betty arrive at City S?
3 m

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Tommy and Betty started driving at 10.44 a.m. from City R and headed towards City S which was 405 km away. Tommy took 5 hours to complete his journey. Betty's average speed was 9 km/h faster than Tommy's. At what time did Betty arrive at City S?