document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=939198>Question 939198</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Laura drives home to her city at a distance of 380km. She takes the Backroads at a speed of 50km/h and she takes the highways at 100km/h. The trip takes 5h. How far does she drive on each road?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #572263 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=572263\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Laura drives home to her city at a distance of 380km. She takes the Backroads at a speed of 50km/h and she takes the highways at 100km/h. The trip takes 5h. How far does she drive on each road? <BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "b + h = 380 km<BR>\n" );
document.write( "b/50 + h/100 = 5 hrs<BR>\n" );
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document.write( "b + h = 380<BR>\n" );
document.write( "2b + h = 500<BR>\n" );
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document.write( "b = 120 km (distance on backroads)<BR>\n" );
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document.write( "h = 380-120 = 260 km (distance on highways)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------------- </SPAN>\n" );
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