When Elsa started jogging from her home, Julie was 0.9 km ahead. Elsa jogged at 12 km/h and Julie jogged at 11 km/h. They went in the same direction and did not change their speeds throughout.
- How far did Elsa 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)