Question
Ben and Gwen were in a roller skating race. Ben was travelling at a constant speed of 18 km/h and they both did not change their speed. When Gwen completed half of her race, Ben was 3.6 km ahead. Ben completed the race at 11.50 a.m. What time did Gwen complete the race?
3 m

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Ben and Gwen were in a roller skating race. Ben was travelling at a constant speed of 18 km/h and they both did not change their speed. When Gwen completed half of her race, Ben was 3.6 km ahead. Ben completed the race at 11.50 a.m. What time did Gwen complete the race?