Body- mass index, or BMI, takes both weight and height into account when assessing whether an individual is underweight or overweight. BMIvaries directly as one's weight, in pounds, and inversely as the square of one's height, in inches. In adults, normal values for the BMI arebetween 20 and 25. A person who weighs 189 pounds and is 69 inches tall has a BMI of 27.91. What is the BMI, to the nearest tenth, for aperson who weighs 138 pounds and who is 65 inches tall?