The federal government has developed the body mass index to determine ideal weights. A person's BMI is directly proportional to their weight in pounds and inversely proportional to the square of their height in inches. A BMI of 19-25 corresponds to a healthy weight. A 6-foot tall person weighing 177 lbs has BMI 24. (a) Determine the constant variation. (b) Find the BMI (to the nearest whole number) of a person whose weight is 130 lbs and whose height is 66 inches. (c) Calculate the BMI with listed height of 6’3 and weight of 215 lbs. Would this be considered a “healthy” BMI? (d) What if I told you that the information from part (c) is the listed height and weight of Chris Hemsworth while filming Thor: Ragnarok? What might this mean for the measurement of BMI?

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