Question
Fred and Xuan were in a roller skating race. Fred 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, Fred was 3.6 km ahead. Fred completed the race at 11.25 a.m. What time did Xuan complete the race?
3 m

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Fred and Xuan were in a roller skating race. Fred 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, Fred was 3.6 km ahead. Fred completed the race at 11.25 a.m. What time did Xuan complete the race?