Resposta :
[tex]\Large\displaystyle\text{$\begin{gathered} \rm{1\, semestre\,tem\,6\, meses. } \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{4\, semestres+2\, meses } \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{4\cdot6\, meses+2 \, meses} \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \sf{24\, meses+2\, meses } \end{gathered}$}[/tex]
[tex]\Large\displaystyle\text{$\begin{gathered} \boxed{\boxed{\sf{26\, meses }}}\leftarrow\textsf{Letra A} \end{gathered}$}[/tex]