The body mass index, I, can be used to determine an individuals risk of heart disease. An index less then 25 indicates a low risk. The body mass index is given by the formula: I= 700w/H^2 where w=weight and H=height in inches. Francis weighs 167 pounds and stands 73 inches tall. What is his BMI? Find an inequality describing all weights W that Francis can have and be in low-risk category.
Medicine - 2 Answers
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1 :
This isn't medicine, it's maths. The first part of the problem is a pretty straightforward calculation. For the second part, you rewrite the formula as 25>700w/73^2 and solve for w For nitpickers, the original BMI formula is (weight in kg)/(height in meters)^2. The more accurate conversion factor is 704.5
2 :
Waist circumference has better correlation with heart disease risk. BMI is a very rough measure of obesity
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