BMI index

Calculate BMI (body mass index, an index indicating obesity, overweight, normal weight, underweight) man weighing m = 71 kg and height h = 170 cm. Index is calculated according to equation (formula):

$BMI={\displaystyle \frac{m}{h^2}}$

With BMI index is possible to compare people of different heights in the following categories:

BMI	Category
bellow 18,5	Underweight
18,5 - 24,9	Normal weight
25,0 - 9,9	Overweight
30,0 - 34,9	Obesity 1st grade
35 - 39,9	Obesity 2nd grade
above 40	Obesity 3rd grade

Correct result:

BMI =  24.6

Solution:

$BMI=71\mathrm{/}(1.7\cdot 1.7)=24.6$

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