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Algebra

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The body mass index I can be used to determine an individuals risk for heart disease. An index less than 25 indicates low risk. the formula for body mass index is I=700w/H^. W=weight and H=height, Jeromine is 67 inches tall. What weights will keep his body mass index between 22 & 32

  • Algebra - ,

    I = 700W/h^2.
    His Bmi should be > 22 but < 32.
    700W/h^2 > 22
    Multiply both sides by h^2/700:
    W > (h^2/700)*22
    W > (67^2/700)*22
    W > 141.1 Lbs.

    W < (67^2/700)*32
    W < 205 Lbs.

    Solution set: 141 < W < 205.

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