A person travels by car from one city to an- other. She drives for 33.8 min at 78.2 km/h, 11.5 min at 101 km/h, 52.1 min at 35.1 km/h, and spends 13 min along the way eating lunch and buying gas.
Determine the average speed for the trip.
Answer in units of km/h.
Determine the average speed for the trip.
Answer in units of km/h.