When Riley started jogging from her home, Mara was 1.3 km ahead. Riley jogged at 12 km/h and Mara jogged at 9 km/h. They went in the same direction and did not change their speeds throughout.
- How far did Riley 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)