Question
Archie and Xuan were in a roller skating race. Archie was travelling at a constant speed of 24 km/h and they both did not change their speed. When Xuan completed half of her race, Archie was 3.6 km ahead. Archie completed the race at 10.40 a.m. What time did Xuan complete the race?
3 m

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Archie and Xuan were in a roller skating race. Archie was travelling at a constant speed of 24 km/h and they both did not change their speed. When Xuan completed half of her race, Archie was 3.6 km ahead. Archie completed the race at 10.40 a.m. What time did Xuan complete the race?