document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1114383>Question 1114383</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a clock strikes once at 1 o' clock, twice at 2 o' clock, three times at 3 o' clock, and so on. how many times during the day does the clock strike.<BR>\n" );
document.write( "solve using arithmetic series </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #729334 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=729334\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a clock strikes once at 1 o' clock, twice at 2 o' clock, three times at 3 o' clock, and so on. how many times during the day does the clock strike.<BR>\n" );
document.write( "solve using arithmetic series<BR>\n" );
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document.write( "S = 1+2+3+...+12<BR>\n" );
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document.write( "S = (12/2)(1+12)<BR>\n" );
document.write( "S = 6*13<BR>\n" );
document.write( "S = 78<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "--------------  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );