Question
Vincent and Diana were in a roller skating race. Vincent was travelling at a constant speed of 23 km/h and they both did not change their speed. When Diana completed half of her race, Vincent was 2.3 km ahead. Vincent completed the race at 9.25 a.m. What time did Diana complete the race?
3 m

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Vincent and Diana were in a roller skating race. Vincent was travelling at a constant speed of 23 km/h and they both did not change their speed. When Diana completed half of her race, Vincent was 2.3 km ahead. Vincent completed the race at 9.25 a.m. What time did Diana complete the race?