atrevino15 atrevino15

21-06-2017
Mathematics

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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 15and a chronological age of 25 has an IQ of 105. What is the chronological age of a person with a mental age of 20 and an IQ of 100?

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21-06-2017

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