document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1048544>Question 1048544</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Billy made a trip to California and back.  The trip there took four hours and the trip back took five hours.  He averaged 5mi/h faster on the trip there than on the return trip.  Let r represent his average speed on the return trip.  What was Billy's average speed on both trip so? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #664130 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=664130\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Distance the same both ways<BR>\n" );
document.write( "D = rt<BR>\n" );
document.write( "4(x+5)  = 5x<BR>\n" );
document.write( "4x + 20 = 5x<BR>\n" );
document.write( "x = 20mph, speed back.  Speed to = 25mph <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2B5 ALIGN=MIDDLE  ALT=\"20%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "AND<BR>\n" );
document.write( "25*4 = 20*5 CHECKS!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );