Question
Brandon and Yen were in a roller skating race. Brandon was travelling at a constant speed of 20 km/h and they both did not change their speed. When Yen completed half of her race, Brandon was 3.5 km ahead. Brandon completed the race at 9.55 a.m. What time did Yen complete the race?
3 m

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Brandon and Yen were in a roller skating race. Brandon was travelling at a constant speed of 20 km/h and they both did not change their speed. When Yen completed half of her race, Brandon was 3.5 km ahead. Brandon completed the race at 9.55 a.m. What time did Yen complete the race?