[tex]\bf ~~~~~~ \textit{Simple Interest Earned}\\\\
I = Prt\qquad
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$200\\
r=rate\to 5\%\to \frac{5}{100}\to &0.05\\
t=years\to &2
\end{cases}
\\\\\\
I=200(0.05)(2)[/tex]