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24 February, 16:26

The distance between two cities is 1900 km. How long will it take, in h, to drive from one city to the other if your average speed is 84 mi/h?

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  1. 24 February, 16:51
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    Answer: 14 hours

    Step-by-step explanation:

    from the formular;

    speed = distance / time

    time = distance / speed

    distance = 1900km

    speed = 84 mi/h

    we have to change this to km/h since our distance is in km

    1 mile = 1. 609km

    84mile = x

    cross multiply

    x = 84 * 1. 609

    x = 135. 156km

    speed = 135. 156km/h

    Time = distance / speed

    time = 1900 / 135. 166

    time = 14. 058

    time = 14 hours approximately

    Therefore it takes 14 hours to drive from one city to the other.
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