When Ava started jogging from her home, Della was 0.3 km ahead. Ava jogged at 15 km/h and Della jogged at 12 km/h. They went in the same direction and did not change their speeds throughout.
- How far did Ava jog in 40 minutes?
- Who was ahead after 40 minutes? How far apart were they? Give your answers in this format. (Eg Ben, 1.2 km)