A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 25.0min at 65.0 km/h, 9.0 min at 80.0 km/h, and 60.0 min at 40.0 km/h and spends 25.0 min eating lunch and buying gas.
(a) Determine the average speed for the trip.
___ km/h
(b) Determine the distance between the initial and final cities along the route.
___km
