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23 March, 12:27

Um carro com uma velocidade de 80 km/h passa pelo km 240 de uma rodovia as 7:30. a que horas este carro chegara a proxima cidade, sabendo-se que a mesma esta situada no km 300 dessa rodovia?

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  1. H
    23 March, 13:34
    0
    From km 240 to km 300 there are 60 km.

    The time to travel 60 km at 80km/h is t = d/V = 60km / 80 km/h = 3/4 h.

    That is 45 minutes. Then the car will arrive at 7:30 + 45 min = 8:15.
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