He should have added the values in the numerator before dividing by 2.
<h2>Given </h2>
Justin’s doctor said that the expression;
Expression;
Where x and y are his parents’ current heights in inches.
Mom’s height = 54 inches Dad’s height = 71 inches.
Substitute all the values in the equation;
Hence, He should have added the values in the numerator before dividing by 2.
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