document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=217536>Question 217536</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A room contains 96 chairs.  The number of chairs per row is 4 more than the number of rows.  Find the number of rows and the number of chairs per row.\r<BR>\n" );
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document.write( "C+R = 96 Chairs<BR>\n" );
document.write( "4c + R= 96<BR>\n" );
document.write( "   <BR>\n" );
document.write( "can you please help me with this problem..THanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #163995 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=163995\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A room contains 96 chairs.<BR>\n" );
document.write( " The number of chairs per row is 4 more than the number of rows.<BR>\n" );
document.write( " Find the number of rows and the number of chairs per row<BR>\n" );
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document.write( "Let c = no. of chairs per row<BR>\n" );
document.write( "Let r = no. of rows<BR>\n" );
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document.write( "r * c = 96<BR>\n" );
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document.write( "\"The number of chairs per row is 4 more than the number of rows. <BR>\n" );
document.write( "c = r + 4<BR>\n" );
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document.write( "Replace c with (r+4) in the 1st equation<BR>\n" );
document.write( "r(r+4) = 96<BR>\n" );
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document.write( "r^2 + 4r - 96 = 0; a quadratic equation<BR>\n" );
document.write( "Factors to<BR>\n" );
document.write( "(r+12)(r-8) = 0<BR>\n" );
document.write( "The positive solution<BR>\n" );
document.write( "r = 8 rows<BR>\n" );
document.write( "and obviously<BR>\n" );
document.write( "12 chairs in each row </SPAN>\n" );
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