Question
Pierre and Barbara were in a roller skating race. Pierre was travelling at a constant speed of 18 km/h and they both did not change their speed. When Barbara completed half of her race, Pierre was 2.7 km ahead. Pierre completed the race at 10.05 a.m. What time did Barbara complete the race?
3 m

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Pierre and Barbara were in a roller skating race. Pierre was travelling at a constant speed of 18 km/h and they both did not change their speed. When Barbara completed half of her race, Pierre was 2.7 km ahead. Pierre completed the race at 10.05 a.m. What time did Barbara complete the race?