Question
Ken and Barbara were in a roller skating race. Ken 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, Ken was 2.7 km ahead. Ken completed the race at 9.25 a.m. What time did Barbara complete the race?
3 m

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Ken and Barbara were in a roller skating race. Ken 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, Ken was 2.7 km ahead. Ken completed the race at 9.25 a.m. What time did Barbara complete the race?