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

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