190005 2. A car travels 150 km/hr. for 2,5 hours, at 66 km/hr. for the next 2.8 hours, and finally 82 km/hr. for 1.75 hours. (a) What is the car's average speed for the entire journey? (b) Convert 155 km/hr., 65.0 km/hr., and 85.0 km/hr. to miles per hour and meters per second.