Question
Reggie and Hilda were in a roller skating race. Reggie was travelling at a constant speed of 20 km/h and they both did not change their speed. When Hilda completed half of her race, Reggie was 2.5 km ahead. Reggie completed the race at 10.50 a.m. What time did Hilda complete the race?
3 m

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Reggie and Hilda were in a roller skating race. Reggie was travelling at a constant speed of 20 km/h and they both did not change their speed. When Hilda completed half of her race, Reggie was 2.5 km ahead. Reggie completed the race at 10.50 a.m. What time did Hilda complete the race?