document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=539485>Question 539485</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Juan drives to work, because of traffic conditions, he averages 22m/per hour. He returns home averaging 32 m/per hour. Total travel time= 2 and 1/4 hours. <BR>\n" );
document.write( "a) write expression for time Juan takes to return home<BR>\n" );
document.write( "b) Write & solve an equation to find 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 #353431 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=353431\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Juan drives to work, because of traffic conditions, he averages 22m/per hour. He returns home averaging 32 m/per hour. Total travel time= 2 and 1/4 hours. <BR>\n" );
document.write( "a) write expression for time Juan takes to return home<BR>\n" );
document.write( "Find the distance by finding the average speed for the round trip<BR>\n" );
document.write( "avg = 2*22*32/(22+32) mi/hr<BR>\n" );
document.write( "avg = 1408/54 = 704/27 mi/hr<BR>\n" );
document.write( "Round trip time = 2.25 hours<BR>\n" );
document.write( "d = r*t = 176/3 miles<BR>\n" );
document.write( "One-way = 88/3 miles<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "time = d/r = (88/3)/22 = 4/3 hours<BR>\n" );
document.write( "b) Write & solve an equation to find the time Juan spends driving to work<BR>\n" );
document.write( "time = d/r = (88/3)/32 = 11/12 hours </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );