Question
Justin and Tiffany were in a roller skating race. Justin was travelling at a constant speed of 25 km/h and they both did not change their speed. When Tiffany completed half of her race, Justin was 2.5 km ahead. Justin completed the race at 10.50 a.m. What time did Tiffany complete the race?
3 m

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Justin and Tiffany were in a roller skating race. Justin was travelling at a constant speed of 25 km/h and they both did not change their speed. When Tiffany completed half of her race, Justin was 2.5 km ahead. Justin completed the race at 10.50 a.m. What time did Tiffany complete the race?