Concept explainers
d Solve.
Body Mass Index. Body mass index I can be used to determine whether an individual has a healthy weight for his or her height. An index in the range 18.5–24.9 indicates a normal weight. Body mass index is given by the formula, or model,
where W is weight, in pounds, and H is height, in inches. Use this formula for Exercises 71 and 72.
Data: Centers for Disease Control and Prevention
Body Mass Index. Alexandra’s height is 62 in. Determine, in terms of an inequality, those weights W that will keep her body mass index below 25.
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