When Erny started jogging from her home, Emily was 1.7 km ahead. Erny jogged at 9 km/h and Emily jogged at 6 km/h. They went in the same direction and did not change their speeds throughout.
- How far did Erny 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)