Problem Solving Fraction 02

Answer: B

\begin{equation*}
\begin{split}
3\frac{1}{8}\%& = \left(\frac{24}{8} + \frac{1}{8}\right)\%\\\\
3\frac{1}{8}\%& = \frac{25}{8}\div 100\\\\
3\frac{1}{8}\%& = \frac{25}{800}\\\\
3\frac{1}{8}\%& = \frac{25 \div \color {red} 25}{800 \div \color {red} 25}\\\\
3\frac{1}{8}\%& = \frac{1}{32}\\\\
\end{split}
\end{equation*}