When Vina started jogging from her home, Sophia was 0.8 km ahead. Vina jogged at 13 km/h and Sophia jogged at 11 km/h. They went in the same direction and did not change their speeds throughout.
- How far did Vina jog in 30 minutes?
- Who was ahead after 30 minutes? How far apart were they? Give your answers in this format. (Eg Ben, 1.2 km)