document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=969329>Question 969329</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A theater has 38 rows with 23 seats in the first row,26 in the second row,29 in the third row and so on.  How many seats are in the theater? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #592252 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=592252\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sequence is:<BR>\n" );
document.write( "23, 26, 29, 32, . . . for 38 rows<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "This is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20%2A38+=+760+ ALIGN=MIDDLE  ALT=\"+20%2A38+=+760+\"   DISABLED_style= \"max-width:90%; height:auto;\" >  plus the sequence:<BR>\n" );
document.write( "3, 6, 9, 12, . . .  for 38 rows<BR>\n" );
document.write( "This is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3n+ ALIGN=MIDDLE  ALT=\"+3n+\"   DISABLED_style= \"max-width:90%; height:auto;\" >  where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+ ALIGN=MIDDLE  ALT=\"+n+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the row number , and<BR>\n" );
document.write( "summed over the 38 rows<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "This is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+ ALIGN=MIDDLE  ALT=\"+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > times<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+ ALIGN=MIDDLE  ALT=\"+n+\"   DISABLED_style= \"max-width:90%; height:auto;\" > row numbers summed over the 38 rows<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "The formula for the summation is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+n%2A%28+n%2B1+%29+%29+%2F+2+=+%28+38%2A39+%29+%2F+2+ ALIGN=MIDDLE  ALT=\"+%28+n%2A%28+n%2B1+%29+%29+%2F+2+=+%28+38%2A39+%29+%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+n%2A%28+n%2B1+%29+%29+%2F+2+=+1482+%2F+2+ ALIGN=MIDDLE  ALT=\"+%28+n%2A%28+n%2B1+%29+%29+%2F+2+=+1482+%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+n%2A%28+n%2B1+%29+%29+%2F+2+=+741+ ALIGN=MIDDLE  ALT=\"+%28+n%2A%28+n%2B1+%29+%29+%2F+2+=+741+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%2A741+=+2223+ ALIGN=MIDDLE  ALT=\"+3%2A741+=+2223+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+760+%2B+2223+=+2983+ ALIGN=MIDDLE  ALT=\"+760+%2B+2223+=+2983+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "There are 2,983 seats in the theater<BR>\n" );
document.write( "hope I got it<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );