Question
Riordan and Victoria were in a roller skating race. Riordan was travelling at a constant speed of 20 km/h and they both did not change their speed. When Victoria completed half of her race, Riordan was 3.5 km ahead. Riordan completed the race at 9.50 a.m. What time did Victoria complete the race?
3 m

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Riordan and Victoria were in a roller skating race. Riordan was travelling at a constant speed of 20 km/h and they both did not change their speed. When Victoria completed half of her race, Riordan was 3.5 km ahead. Riordan completed the race at 9.50 a.m. What time did Victoria complete the race?