Find a model for the Body Mass Index (BMI) of a person, given that BMI varies directly as a person’s weight in pounds and inversely as the square of the person’s height in inches. If a 6⁢ft tall person weighing 161⁢lb has a BMI of 21.83, how much weight would a 6⁢ft, 7⁢in. tall person weighing 205⁢lb need to gain or lose to have a BMI of 24? Write your answer as a positive value for weight gain or a negative value for weight loss. Round your answer to one decimal place.

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