document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=927455>Question 927455</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mr. Sanchez makes a business trip from his house to the city in 2 hours. One hour later, he returns home in heavy traffic at a rate of 20 kph(kilometers per hour) less than his going rate. If Mr. Sanchez was gone a total of 6 hours, how fast did he travel on each of the trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #562967 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=562967\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> s = d/t<BR>\n" );
document.write( "---<BR>\n" );
document.write( "outbound:<BR>\n" );
document.write( "t = 2 hrs<BR>\n" );
document.write( "x = outbound speed<BR>\n" );
document.write( "x = d/2<BR>\n" );
document.write( "d = 2x<BR>\n" );
document.write( "---<BR>\n" );
document.write( "return:<BR>\n" );
document.write( "he's in the city for 1 hour (not traveling during that 1 hr)<BR>\n" );
document.write( "t = 6 - 2 - 1 = 3 hrs<BR>\n" );
document.write( "y = return speed<BR>\n" );
document.write( "y = x - 20<BR>\n" );
document.write( "y = d/3<BR>\n" );
document.write( "d = 3y<BR>\n" );
document.write( "---<BR>\n" );
document.write( "2x = 3y<BR>\n" );
document.write( "2x = 3(x - 20)<BR>\n" );
document.write( "2x = 3x - 60<BR>\n" );
document.write( "x = 60<BR>\n" );
document.write( "y = x - 20<BR>\n" );
document.write( "y = 60 - 20<BR>\n" );
document.write( "y = 40<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "x = outbound speed = 60 kph<BR>\n" );
document.write( "y = return speed = 40 kph<BR>\n" );
document.write( "---<BR>\n" );
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document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
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document.write( "---<BR>\n" );
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document.write( "https://sooeet.com/math/fraction-decimal-percent.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Calculate and graph the linear regression of any data set:<BR>\n" );
document.write( "https://sooeet.com/math/linear-regression.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );