\documentclass{article}

\usepackage{amsmath,amssymb,amsfonts}
\usepackage{automultiplechoice}
\usepackage{enumitem}

\setlength{\parindent}{0cm}
\pagestyle{empty}

\geometry{letterpaper,margin=.5in}

\author{Federico Galetto}
\title{}
\date{}

\begin{document}

\onecopy{1}{

\thispagestyle{empty}

\begin{minipage}{0.45\linewidth}
  \AMCboxStyle{size=2ex,down=.2ex}
  \AMCcodeHspace=.4em
  \AMCcodeVspace=.3em
  \AMCcodeGridInt[h]{id}{4}
\end{minipage}
\hfill{}
\namefield{
  \mbox{
    \begin{minipage}{0.55\linewidth}
      \makebox[0.55in][l]{Name:}\ \rule{3.5in}{.4pt}
      \bigskip{}
      
      \makebox[0.55in][l]{CSU ID:}\ \rule{3.5in}{.4pt}
      \bigskip{}

      Cross boxes to the left for to the last 4 digits of your ID.
    \end{minipage}
  }
}
\bigskip{}
\begin{center}
  \LARGE \bf MTH 220 - Fall 2019 - Quiz 11
\end{center}
\smallskip{}

\begin{enumerate}[wide]
\item Define $a \equiv b \pmod{n}$, where $a,b,n\in\mathbb{Z}$ with
  $n\geqslant 2$. In alternative, you can give an equivalent criterion
  to the definition.
\item Find the least non negative residue of $3^{50}$ modulo 19.
\item Find the least non negative residue of $20^{-1}$ modulo 47.
\end{enumerate}

}

\end{document}

%%% Local Variables:
%%% mode: latex
%%% TeX-master: t
%%% End:
