You are driving in one direction on a long straight road. You drive in the positive direction at 126 km/h for 30.0 minutes, at which time you see a police car with someone pulled over, presumably for speeding. You then drive in the same direction at 100 km/h for 45.0 minutes.
(a) How far did you drive?
(b) What was your average velocity in kilometers per hour? (a) answer in km (b) answer in km/h