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Math Help - Solving for x

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    Solving for x

    If x varies inversely as v and x=6 when v=3, then find x when v=9.
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    Quote Originally Posted by Mike9182 View Post
    If x varies inversely as v and x=6 when v=3, then find x when v=9.
    x = \frac{k}{v}

    x_1 = \frac{k}{v_1}

    x_2 = \frac{k}{v_2}

    Where x_1 = 6, v_1 = 3, v_2=9


    \frac{x_2}{x_1} = \frac{\frac{k}{v_2}}{\frac{k}{v_1}} = \frac{v_1}{v_2}


    Solve: x_2 = \frac{x_1 v_1}{v_2}
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