Question

A body builder is 6 ft 5 in tall and has a body mass index of 30.9, how much does he weight?

Answer 1

BMI is weight in kg divided by height in metres.
6'-5" equals (6+5/12)*0.3048 metres = 1.9558 m
BMI = 30.9 = W/1.9558^2 =>
W=30.9*1.9558^2 kg = 118.20 kg = 118.20 2.20462 lbs = 260.6 lbs

Answer 2

The body builder weighs 260.7 pounds.