Question
Dylan and Usha were in a roller skating race. Dylan was travelling at a constant speed of 20 km/h and they both did not change their speed. When Usha completed half of her race, Dylan was 2.5 km ahead. Dylan completed the race at 11.10 a.m. What time did Usha complete the race?
3 m

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Dylan and Usha were in a roller skating race. Dylan was travelling at a constant speed of 20 km/h and they both did not change their speed. When Usha completed half of her race, Dylan was 2.5 km ahead. Dylan completed the race at 11.10 a.m. What time did Usha complete the race?