document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=920429>Question 920429</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this problem?\r<BR>\n" );
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document.write( "\"Bob cycles along a road <BR>\n" );
document.write( "He cycles 60km at an average speed of  xkm/h<BR>\n" );
document.write( "He then cycles a further 45km at an average speed of (x+4)km/h<BR>\n" );
document.write( "His total cycling time was 6h\"\r<BR>\n" );
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document.write( "\"Form an expression in terms of x and show that it simplifies to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2-27x-80 ALIGN=MIDDLE  ALT=\"2x%5E2-27x-80\"   DISABLED_style= \"max-width:90%; height:auto;\" >\"<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #558358 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=558358\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+b=6<BR>\n" );
document.write( "r*t=d<BR>\n" );
document.write( "t=d/r<BR>\n" );
document.write( "a=60/x<BR>\n" );
document.write( "b=45/(x+4)<BR>\n" );
document.write( "60/x+45/(x+4)=6<BR>\n" );
document.write( "(15(7x+16))/(x(x+4)) = 6<BR>\n" );
document.write( "(2x+5)(x-16)=0<BR>\n" );
document.write( "2x^2 -27x -80<BR>\n" );
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