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? asked in Science & MathematicsMathematics · 1 decade ago

Distance problem question?

I need help with how to do this distance problem:

A bus traveled 387 km in 5 h. One hour of the trip was in city traffic. The bus's city speed was just half of its speed on open highway. The rest of the trip was on open highway. Find the bus's city speed.

Thank you.

2 Answers

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  • TomV
    Lv 7
    1 decade ago
    Favorite Answer

    1*x + 4*2x = 387

    9x = 387

    x = 43

    The bus's city speed was 43 km/hr.

    ...

  • nozar nazari
    Lv 7
    1 decade ago

    1(V highway/2)+4V highway=387

    4.5 V highway=387

    Vhighway=387/4.5=86 km/hr

    V city=43 km/hr.

    God bless you.

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