Sarah is a delivery driver returning items to a depot. This graph shows Sarah's distance from the depot during one of her trips.
Distance-time graph for a delivery journey. The y-axis is 'Distance from depot (km)' from 0 to 15. The x-axis is 'Time (minutes)' from 0 to 60. The graph consists of three straight line segments: (0,0) to (20,10), (20,10) to (35,10), and (35,10) to (50,0).
| Time (minutes) | Distance from depot (km) |
|---|---|
| 0 | 0 |
| 10 | 5 |
| 20 | 10 |
| 35 | 10 |
| 50 | 0 |
How far had Sarah travelled from the depot after 10 minutes?
After 20 minutes, Sarah stopped to unload her van. For how many minutes did she stop?
How far did Sarah travel in total?
