Question
Eric and Xuan were in a roller skating race. Eric was travelling at a constant speed of 25 km/h and they both did not change their speed. When Xuan completed half of her race, Eric was 2.5 km ahead. Eric completed the race at 11.55 a.m. What time did Xuan complete the race?
3 m

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Eric and Xuan were in a roller skating race. Eric was travelling at a constant speed of 25 km/h and they both did not change their speed. When Xuan completed half of her race, Eric was 2.5 km ahead. Eric completed the race at 11.55 a.m. What time did Xuan complete the race?