A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 15.0 min at 80.0 km/h, 15.0 min at 50.0 km/h, and 50.0 min at 45.0 km/h and spends 50.0 min eating lunch and buying gas. Determine the average sped for the trip. Determine the difference between the intial citties along the route.
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Ответ:
A, B, E, F
Explanation:
just took the quiz and this is what i got right. hope this helps <3