This matches LaTeX's letter class, which I'm using for my letter of
interest.
\textwidth 6.5in
\pagestyle{empty} % no room for page numbers
\textwidth 6.5in
\pagestyle{empty} % no room for page numbers
+\usepackage[parfill]{parskip} % unindented paragraphs with parskips
+
\usepackage{amsmath} % \text and other useful math stuff
\usepackage{hyperref}
\usepackage{amsmath} % \text and other useful math stuff
\usepackage{hyperref}