When Ruby started jogging from her home, Anna was 1.8 km ahead. Ruby jogged at 16 km/h and Anna jogged at 12 km/h. They went in the same direction and did not change their speeds throughout.
- How far did Ruby 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)