In a certain city only two newspapers \( A \) and \( B \) are published, it is known that \( 25 ...

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In a certain city only two newspapers \( A \) and \( B \) are published, it is known that \( 25 \% \) of the city population reads \( A \) and \( 20 \% \) reads \( B \), while \( 8 \% \) reads both \( A \) and \( B \).
P It is also known that \( 30 \% \) of those who read \( A \) but not \( B \)

W look into advertisements and \( 40 \% \) of those who read \( B \) but not \( A \) look into advertisements while \( 50 \% \) of those who read both \( A \) and \( B \) look into advertisements. What is the percentage of the population reads an advertisement?
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