Liam drove to his office. He stayed at the office and then he drove back home.
Here is Liam's travel graph.
| Time | Distance from home (miles) |
|---|---|
| 08 00 | 0 |
| 08 20 | 15 |
| 09 40 | 15 |
| 10 10 | 0 |
For how many minutes did Liam stay at the office?
What was Liam's average speed on his journey to the office?
14 exam-style questions on Oxford AQA IGCSE Maths Real Life and Distance Time Graphs. Each one has a worked solution and a mark scheme showing where the marks go.