Respuesta :
well, 12 issues end up as 960 pages total
so... if in 960 pages, 384 are ads, what about 80 pages?
well [tex]\bf \begin{array}{ccllll} pages&ads\\ \textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\ 960&384\\ 80&x \end{array}\implies \cfrac{960}{80}=\cfrac{384}{x}[/tex]
solve for "x"
so... if in 960 pages, 384 are ads, what about 80 pages?
well [tex]\bf \begin{array}{ccllll} pages&ads\\ \textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\ 960&384\\ 80&x \end{array}\implies \cfrac{960}{80}=\cfrac{384}{x}[/tex]
solve for "x"