Question
Riordan and Roshel were in a roller skating race. Riordan was travelling at a constant speed of 20 km/h and they both did not change their speed. When Roshel completed half of her race, Riordan was 2.5 km ahead. Riordan completed the race at 11.35 a.m. What time did Roshel complete the race?
3 m

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Riordan and Roshel were in a roller skating race. Riordan was travelling at a constant speed of 20 km/h and they both did not change their speed. When Roshel completed half of her race, Riordan was 2.5 km ahead. Riordan completed the race at 11.35 a.m. What time did Roshel complete the race?