The body mass index I can be used to determine an individuals risk for heart die

Question

The body mass index I can be used to determine an individuals risk for heart diease. An index less than 25 indicates a low risk. The body mass index is given by the formula, or model, I=700/H power of 2 where w= weight in pounds and H= height in inches. Francis weighs 204 lbs and stands 70 inches tall. what is his approximate body mass index. Find an equality describing all weights W that francis can have to be in the low risk category.

Francis' approximate body mass index is____? round to the nearest whole number.

Explanation / Answer

We are given an equation: Index = (700 * w) / height (in inches)^2 For francis, we have weight = 204 and height = 70 inches So Index = (700 * 204) / (70^2) = 29.14 So that is the answer to the fill in the blank part: 29.14 Now, to find an equality, we need to set the Index part equal to 25 and solve for W. 25 = (700 * w) / (70^2) 122500 = 700 * w w = 175 So an inequality describing all W francis can have to be in the low risk category would be: w less than or equal to 175. Let me know if you have any questions.

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