3 years ago

An older person is three years older than four times the age of a younger person. The sum of their ages is 13. Find their ages.

1 answer:

3 0

The ages are 11 and 2

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jarptica [38.1K]

Answer:

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Step-by-step explanation:

Apply exponent rule: $x^{-y}=\frac{1}{x^y}$

$(\frac{4}{5}) ^{-2}=\frac{1}{\left(\frac{4}{5}\right)^2}=\frac{1}{\frac{16}{25}}=\frac{25}{16}$

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