Screen Shot 2019-09-02 at 7.58.35 PM.png - EXAMPLE 7 Solving a Combined Variation Problem Body mass index(BMI is used to assess whether a person's

Screen Shot 2019-09-02 at 7.58.35 PM.png - EXAMPLE 7...

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Unformatted text preview: EXAMPLE 7 Solving a Combined Variation Problem Body mass index (BMI) is used to assess whether a person's weight is healthy. A BMI from 19 through 25 is considered desirable. BMI varies directly as an individual's weight in pounds and inversely as the square of their height in inches. A person who weighs 118 lb and is 64 in. tall has a BMI of 20. (BMI is rounded to the nearest whole number.) Find the BMI of a man who weighs 165 1b and is 70 in. tall. (Source: Washington Post.) Let B = BMI, w = weight, and h = height. Write a variation equation. B = kw BMI varies directly as the weight. h2 BMI varies inversely as the square of the height....
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  • Spring '19
  • Mass, Body mass index

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