Question
Brandon and Barbara were in a roller skating race. Brandon was travelling at a constant speed of 25 km/h and they both did not change their speed. When Barbara completed half of her race, Brandon was 2.5 km ahead. Brandon completed the race at 9.20 a.m. What time did Barbara complete the race?
3 m

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Brandon and Barbara were in a roller skating race. Brandon was travelling at a constant speed of 25 km/h and they both did not change their speed. When Barbara completed half of her race, Brandon was 2.5 km ahead. Brandon completed the race at 9.20 a.m. What time did Barbara complete the race?