9. Town A and Town B are 640 km apart. A car leaves Town A_(1) travelling at a constant speed of 80km/h towards Town B. How long did the driver take to travel from Town A to Town B?

<img src="https://static.questionai.vn/resource/qaiseoimg/202410/time-distance-speed640div-808the-driver-took-8-h-travel-tdSOv7cYaa.jpg" alt=" Time = Distance + Speed $=640div 80$ $=8$ The driver took 8 h to travel from Town A to Town B. "/> <br/><br>