Rebecca went on a bike ride. This graph shows Rebecca's distance from home on her bike ride.
| Time (minutes) | Distance from home (km) |
|---|---|
| 0 | 0 |
| 30 | 6 |
| 60 | 12 |
| 80 | 12 |
| 110 | 0 |
Distance-time graph for a bike ride. The y-axis is 'Distance from home (km)' from 0 to 12. The x-axis is 'Time (minutes)' from 0 to 120. The graph consists of three straight line segments: (0,0) to (60,12), (60,12) to (80,12), and (80,12) to (110,0).
a.[1]
How far had Rebecca travelled after 30 minutes?
b.[1]
After 60 minutes, Rebecca stopped for a rest. For how many minutes did she rest?
c.[1]
How far did Rebecca travel in total?