Question
Gabriel and Olivia started driving at 10.38 a.m. from City E and headed towards City F which was 324 km away. Gabriel took 4 hours to complete his journey. Olivia's average speed was 9 km/h faster than Gabriel's. At what time did Olivia arrive at City F?
3 m

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Gabriel and Olivia started driving at 10.38 a.m. from City E and headed towards City F which was 324 km away. Gabriel took 4 hours to complete his journey. Olivia's average speed was 9 km/h faster than Gabriel's. At what time did Olivia arrive at City F?