document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=983059>Question 983059</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a classroom, there are 54 chairs. The number of chairs per row is three less than twice the number of rows. Find the number of rows and the number of chairs per row. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #603886 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=603886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "c=chairs per row; r=number of rows<BR>\n" );
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document.write( "c=2r-3<BR>\n" );
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document.write( "(c)(r)=54<BR>\n" );
document.write( "(2r-3)(r)=54<BR>\n" );
document.write( "2r^2-3r=54<BR>\n" );
document.write( "2r^2-3r-54=0<BR>\n" );
document.write( "(2r+9)(r-6)=0<BR>\n" );
document.write( "2r+9=0 OR r-6=0<BR>\n" );
document.write( "r=-4.5 OR r=6<BR>\n" );
document.write( "ANSWER 1: There are 6 rows (-4.5 makes no sense)<BR>\n" );
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document.write( "c=2r-3<BR>\n" );
document.write( "c=2(6)-3=12-3=9<BR>\n" );
document.write( "ANSWER 2: There are 9 chairs per row<BR>\n" );
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document.write( "CHECK:<BR>\n" );
document.write( "(6 rows)(9 chairs/row)=54 chairs<BR>\n" );
document.write( "54 chairs=54 chairs </SPAN>\n" );
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