document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=116500>Question 116500</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131467735/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Cindy averaged 60 mph on a trip to Chicago. Returning home she took a more scenice route and averaged 50 mph. The return trip was 2 hours longer and was 30 miles farther. How long did it take Cindy to drive to Chicago? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #84698 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=84698\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Cindy averaged 60 mph on a trip to Chicago. <BR>\n" );
document.write( "Returning home she took a more scenic route and averaged 50 mph. <BR>\n" );
document.write( "The return trip was 2 hours longer and was 30 miles farther.<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "To Chicago DATA:<BR>\n" );
document.write( "Distance = x miles ; rate = 60 mph ; time = d/r = x/60 hrs<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Return DATA:<BR>\n" );
document.write( "Distance = x+30 miles ; rate = 50 mph ; time = (x+30)/50 hrs<BR>\n" );
document.write( "---------------- <BR>\n" );
document.write( "How long did it take Cindy to drive to Chicago?<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "Return time = to Chi. time +2 hrs<BR>\n" );
document.write( "(x+30)/50 = x/60 +2<BR>\n" );
document.write( "6(x+30) = 5x + 600<BR>\n" );
document.write( "6x + 180 = 5x + 600<BR>\n" );
document.write( "x = 420 miles<BR>\n" );
document.write( "============================<BR>\n" );
document.write( "Time to Chicago = x/60 = 420/60 =7 hrs.<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );