Answer to Question #34615 in Mechanics | Relativity for bonbon
Sally travels by car from one city to another. She drives for 21.0 min at 69.0 km/h, 53.0 min at 38.0 km/h, and 30.0 min at 80.0 km/h, and she spends 13.0 min eating lunch and buying gas.
Unfortunately, the statement of your question is a bit confusing.
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