1.Find the average speed: Distance = 612 miles Time = 12 hours.

2.Andrea cycles 9 km on her bike in 2 hours. Calculate her average speed in kilometers per hour.
3. Jose drives at 140 km in 2 hours. Calculate his average speed in a. km/h b. m/sec.
4. A bus travels for 3 hours at 60 km/h and then for 2 hours at 63 km/h. What is the average speed for the whole journey?
5. John and his friend took 4-hour bicycle trip. In all, they traveled 150 km. What was their average rate of speed?​