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A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 40.0 min at 85.0 km/h, 12.0 min at 95 km/h, and 35.0 min at 30.0 km/h, and spends 35.0 min eating lunch and buying gas. Determine the average speed for the trip?
210.9km/1.1083hrs=190.2914km/h ??????
done it so many times am so confuse!!!

  • physics -

    Read my previous answer

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