Sally travels by car from one city to another. She drives for 24.0 min at 54.0 km/h, 41.0 min at 33.0 km/h, and 24.0 min at 33.0 km/h, and she spends 13.0 min eating lunch and buying gas.

(a) Determine the average speed for the trip.
(b) Determine the total distance traveled.