Question
Howard and Risa started driving at 10.50 a.m. from City R and headed towards City S which was 360 km away. Howard took 5 hours to complete his journey. Risa's average speed was 3 km/h faster than Howard's. At what time did Risa arrive at City S?
3 m

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Howard and Risa started driving at 10.50 a.m. from City R and headed towards City S which was 360 km away. Howard took 5 hours to complete his journey. Risa's average speed was 3 km/h faster than Howard's. At what time did Risa arrive at City S?