document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1095145>Question 1095145</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the morning, Julie drove to a job interview at 40 mph. Her average speed on the return trip in the afternoon was 30 mph. The return trip took 1/2 hour longer because of heavy traffic. How far did she travel to the job interview? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #709702 by </B><A HREF=/tutors/aboutme.mpl?userid=hgv+><B>hgv (5)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=hgv+><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=hgv+><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=709702\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Distance = Speed * Time\r<BR>\n" );
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document.write( "Let time be x\r<BR>\n" );
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document.write( "=> Trip to job interview : 40 * x\r<BR>\n" );
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document.write( "=> Return trip : 30 * (x + 0.5)\r<BR>\n" );
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document.write( "Equating both since distance traveled is the same;\r<BR>\n" );
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document.write( "=> 40 * x = 30 * (x + 0.5)<BR>\n" );
document.write( "=> 40x = 30x + 15<BR>\n" );
document.write( "=> x = time = 1.5 hours\r<BR>\n" );
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document.write( "Thus, distance = 40 * 1.5<BR>\n" );
document.write( "=> 60 m<BR>\n" );
document.write( "Or 30 * (1.5 + 0.5)<BR>\n" );
document.write( "=> 30 * 2 - 60 m </SPAN>\n" );
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