Question
Will and Usha were in a roller skating race. Will 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, Will was 2.5 km ahead. Will completed the race at 11.25 a.m. What time did Usha complete the race?
3 m

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Will and Usha were in a roller skating race. Will 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, Will was 2.5 km ahead. Will completed the race at 11.25 a.m. What time did Usha complete the race?