A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 15.0 min at 100.0 km/h, 11.0 min at 65.0 km/h, and 45.0 min at 40.0 km/h and spends 50.0 min eating lunch and buying gas. (a) Determine the average speed for the trip. 65 Your response differs from the correct answer by more than 10%. Double check your calculations. km/h (b) Determine the distance between the initial and final cities along the route. 162.5 Your response differs from the correct answer by more than 100%. km Average speed is distance traveled over total time. Don't forget to include the lunch stop in the total time.