document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=156508>Question 156508</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Juan drives to work.   Because of traffic conditions, he averages 22 miles per hour.  He returns home averaging 32 miles per hour.  The total time traveled is 2 1/4 hours.  \r<BR>\n" );
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document.write( "a. write an expression for the time Juan takes to return home.<BR>\n" );
document.write( "b. write and solve an equation for the time Juan spends driving to work. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115288 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=115288\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Juan drives to work. Because of traffic conditions, he averages 22 miles per hour. He returns home averaging 32 miles per hour. The total time traveled is 2 1/4 hours. <BR>\n" );
document.write( "To work DATA:<BR>\n" );
document.write( "rate = 22 mph ; distance = x miles; time = d/r = x/22 hrs<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "Back to home DATA:<BR>\n" );
document.write( "rate = 32 mph ; distance = x miles ; time = d/r = x/32 hrs<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "time + time = 2 1/4 hrs<BR>\n" );
document.write( "x/22 + x/32 = 9/4<BR>\n" );
document.write( "54x/(22*32) = 9/4<BR>\n" );
document.write( "4*54x = 9*22*32<BR>\n" );
document.write( "x = 29 1/3 miles<BR>\n" );
document.write( "a. write an expression for the time Juan takes to return home.<BR>\n" );
document.write( "b. write and solve an equation for the time Juan spends driving to work.<BR>\n" );
document.write( "To work time:<BR>\n" );
document.write( "x/22 = 88/3/22 = 4/3 hr = 1 hr 20 minutes<BR>\n" );
document.write( "============================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );