4. Below is the training plan for Mrs Xaba netball team. The lights at the netball field are switched off at 20:00. After training the team spends 20 minutes on administrative tasks before they leave at 19:55 20 min 20 min 30 min 15 min Fitness training Ball technique Mini game Streching exersises (a) How long does Mrs Xaba training last? (b) If the team members want to finish their training session at 19:45, what time should the training session start? (c) Mrs Xaba arrives 20 minutes before the team, so she can prepare the equipment for the training. What time should he arrive at the field?