Posted by Kelly on .
Using the formula for BMI:
B = 703(w)/ h²
When the weight is 100 lbs and the BMI is 20, how do I figure out the persons height?

algebra 
ExplanationCentral,
20 = 703*100/h^2.
20 = 70300/h^2
20*h^2 = 70300
h = (3515)^(1/2)