Lhezkie
Jul 16, 2014, 10:56 PM
A person travels from one city to another with different constant speeds between pair of cities. She drives 30.0min at 80km/h, 12.0min at 100.0km/h and 45.0min at 40km/h and spend 15 min eating lunch and buying gas. Question. A.Determine the average speed for the trip. B. Determine the distance between the initial and final cities