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I was trying to include an image in my file but this error came up:

! Missing number, treated as zero.
<to be read again> 
l.207               \includegraphics{rate\_of\_return}

I've looked everywhere and tried a lot of things, but the problem remains unresolved.

This is my code:

% ... some stuff

\item[c)] \hfill \\
    In the graph below, the full line is for 7\%, the long-short dashed
    line is for 6\%, and the regular dashed line is for 5\%.

% ... some stuff
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Welcome to TeX.sx! Please add a minimal working example (MWE) that illustrates your problem. It will be much easier for us to reproduce your situation and find out what the issue is when we see compilable code, starting with \documentclass{...} and ending with \end{document}.A tip: If you indent lines by 4 spaces, they'll be marked as a code sample. You can also highlight the code and click the "code" button (with "{}" on it). –  mafp Feb 6 '13 at 11:21
Did you try with \includegraphics{rate_of_return}? –  Ignasi Feb 6 '13 at 11:21
Ignasi - that worked. I didn't know that you didn't need to escape the underscores for \includegraphics. –  Yuxin David Huang Feb 6 '13 at 11:22
mafp - Thank you for editing my post. Next time I'll definitely do that. –  Yuxin David Huang Feb 6 '13 at 11:23
We'd like to keep answers separate from questions, so you should write a separate answer (or accept an existing answer) instead of editing your question. Self-answers are perfectly admissible, and a well-written answer may earn you additional reputation. –  You Feb 6 '13 at 11:48
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closed as too localized by lockstep, Thorsten, Andrew Swann, Kurt, Stefan Kottwitz Feb 6 '13 at 12:39

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1 Answer

You don't have to escape underscores in file names. So you should use \includegraphics{rate_of_return}. Same happens with other file commands like \input, \include or \includeonly.

You need to escape underscores when you want to type _ in the middle of your text.

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