Leo went for a hike in the mountains. This graph shows Leo's distance from his starting point during his hike.
Distance-time graph for a hike. The y-axis is 'Distance from start (km)' from 0 to 8. The x-axis is 'Time (minutes)' from 0 to 200. The graph consists of three straight line segments: (0,0) to (90,6), (90,6) to (120,6), and (120,6) to (180,0).
| Time (minutes) | Distance from start (km) |
|---|---|
| 0 | 0 |
| 45 | 3 |
| 90 | 6 |
| 120 | 6 |
| 180 | 0 |
How far had Leo travelled after 45 minutes?
After 90 minutes, Leo stopped for lunch. For how many minutes did he stop?
How far did Leo travel in total?