Problem

Intelligence quotient A person’s intelligence quotient (IQ) is determined by multiplying t...

Intelligence quotient A person’s 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 10-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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Solutions For Problems in Chapter 2.2