Sally travels by car from one city to another. She drives for 26.0 min at 74.0 km/h, 44.0 min at 48.0 km/h, and 13.0 min at 35.0 km/h, and she spends 9.0 min eating lunch and buying gas.
(a) Determine the average speed for the trip.
km/h
(b) Determine the total distance traveled.