5 - Aaron and Bobby are brothers.
They go to the same school.
Aaron leaves home at 8:00 am and walks to school.
Bobby leaves home at 8:15 am and cycles to school.
Bobby arrives at 8:30 am.
The graph shows their journeys.
Distance (km)
4
3
3 2
2
1
Aaron
Bobby
0
8:00 am 8:10 am 8:20 am 8:30 am 8:40 am
Time
(a) At what time did Aaron arrive at school?