A persons intelligence quotient (IQ) is determined by
Chapter 2, Problem 5(choose chapter or problem)
A persons intelligence quotient (IQ) is determined by multiplying the quotient of his or her mental age and chronological age by 100. (a) Find the IQ of a 12-year-old child whose mental age is 15. (b) Find the mental age of a person 15 years old whose IQ is 140.
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