document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=332717>Question 332717</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sam drove 500km from city A to City B in 5.5hr. he drove part of the way at 100km/h and the rest of the way at 80km/h. how far did he drive at each speed?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #238423 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=238423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> total distance = 500 km<BR>\n" );
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document.write( "he drove x km at 100 km/h<BR>\n" );
document.write( "500-x at 80 km/h<BR>\n" );
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document.write( "time he drove at 100 = x/100<BR>\n" );
document.write( "time he drove at 80 = (500-x)/ 80<BR>\n" );
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document.write( "total time he drove = 5.5 hours = 11/2 hours<BR>\n" );
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document.write( "x/100+(500-x)/80 = 11/2<BR>\n" );
document.write( "8x+10(500-x) / 800 = 11/2<BR>\n" );
document.write( "8x+5000-10x / 800 = 11/2<BR>\n" );
document.write( "-2x+5000 / 800 = 11/2<BR>\n" );
document.write( "2(-2x+5000)= 11*800<BR>\n" );
document.write( "-4x+10000=8800<BR>\n" );
document.write( "-4x=-10000+8800<BR>\n" );
document.write( "-4x=-1200<BR>\n" );
document.write( "x=-1200/-4<BR>\n" );
document.write( "x=300 km. the distance he drove at 100km/h<BR>\n" );
document.write( "Balance 200 km he drove at 80 km/h </SPAN>\n" );
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