document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=407325>Question 407325</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ben and Jerry start from the same point and<BR>\n" );
document.write( "ride their bicycles in opposite directions. If Ben rides twice<BR>\n" );
document.write( "as fast as Jerry and they are 90 miles apart after four hours,<BR>\n" );
document.write( "then what is the speed of each rider? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #287230 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=287230\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ben and Jerry start from the same point and<BR>\n" );
document.write( "ride their bicycles in opposite directions. If Ben rides twice<BR>\n" );
document.write( "as fast as Jerry and they are 90 miles apart after four hours,<BR>\n" );
document.write( "then what is the speed of each rider?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = speed (mph) of Jerry<BR>\n" );
document.write( "then<BR>\n" );
document.write( "2x = speed of Ben<BR>\n" );
document.write( ".<BR>\n" );
document.write( "4x + 4(2x) = 90<BR>\n" );
document.write( "4x + 8x = 90<BR>\n" );
document.write( "12x = 90<BR>\n" );
document.write( "x = 90/12<BR>\n" );
document.write( "x = 7.5 mph (Jerry's speed)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ben's speed:<BR>\n" );
document.write( "2x = 2(7.5) = 15 mph </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );