document.write( "Question 1201549: In a non-leap year that contains three Friday the 13ths, one of these Friday the 13ths must fall in
\n" ); document.write( "a) July
\n" ); document.write( "b) August
\n" ); document.write( "c) September
\n" ); document.write( "d) October
\n" ); document.write( "e) November \n" ); document.write( "

Algebra.Com's Answer #836029 by math_tutor2020(3817) $\"\"$ $\"About$

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\n" ); document.write( "Answer: e) November\r
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\n" ); document.write( "\n" ); document.write( "Explanation:\r
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\n" ); document.write( "\n" ); document.write( "This can be done through a trial-and-error approach.\r
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\n" ); document.write( "\n" ); document.write( "Take a look at the calendar for 2009
\n" ); document.write( "https://www.timeanddate.com/calendar/print.html?year=2009&country=1&cols=3&df=1
\n" ); document.write( "then let's mark the 13th of each month
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Month	Day	Month	Day
jan 13th	tue	jul 13th	mon
feb 13th	fri	aug 13th	thu
mar 13th	fri	sep 13th	sun
apr 13th	mon	oct 13th	tue
may 13th	wed	nov 13th	fri
jun 13th	sat	dec 13th	sun

\n" ); document.write( "We have 3 instances of Friday the 13th.
\n" ); document.write( "They occur in:
\n" ); document.write( "February
\n" ); document.write( "March
\n" ); document.write( "November, which is the final answer\r
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\n" ); document.write( "\n" ); document.write( "Further Reading
\n" ); document.write( "https://scienceworld.wolfram.com/astronomy/FridaytheThirteenth.html
\n" ); document.write( "https://www.timeanddate.com/calendar/weekday-friday-13
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