Question
Paul and Kathy were in a roller skating race. Paul was travelling at a constant speed of 20 km/h and they both did not change their speed. When Kathy completed half of her race, Paul was 2.5 km ahead. Paul completed the race at 9.25 a.m. What time did Kathy complete the race?
3 m

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Paul and Kathy were in a roller skating race. Paul was travelling at a constant speed of 20 km/h and they both did not change their speed. When Kathy completed half of her race, Paul was 2.5 km ahead. Paul completed the race at 9.25 a.m. What time did Kathy complete the race?