Question
Oscar and Esther 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 Esther completed half of her race, Oscar was 2.5 km ahead. Oscar completed the race at 11.50 a.m. What time did Esther complete the race?
3 m

Click button first when a symbol is required. X

Oscar and Esther 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 Esther completed half of her race, Oscar was 2.5 km ahead. Oscar completed the race at 11.50 a.m. What time did Esther complete the race?