Sally travels by car from one city to another. She drives for 23.0 min at 78.0 km/h, 45.0 min at 46.0 km/h, and 42.0 min at 22.0 km/h, and she spends 12.0 min eating lunch and buying gas. Determine the average speed for the trip. (b) Determine the total distance traveled.
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