Mathematics, 04.12.2020 23:50 josephpezza18

One's intelligence quotient, or IQ varies directly as a person's mental age and inversely as that person's chronological age. A person with a mental age of 24 and a chronological age of 35 has an IQ of 120. What is the chronological age of a person with a mental age of 20 and an IQ of 140?

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