Question
Tim and Lucy were in a roller skating race. Tim was travelling at a constant speed of 20 km/h and they both did not change their speed. When Lucy completed half of her race, Tim was 2.5 km ahead. Tim completed the race at 9.30 a.m. What time did Lucy complete the race?
3 m

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Tim and Lucy were in a roller skating race. Tim was travelling at a constant speed of 20 km/h and they both did not change their speed. When Lucy completed half of her race, Tim was 2.5 km ahead. Tim completed the race at 9.30 a.m. What time did Lucy complete the race?