document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=151180>Question 151180</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Richard's average driving speed is 23 km per hour faster than Kirk's.  In the same length of time it takes Richard to drive 651 km, Kirk drives on 490 km.  What is Richard's average speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #111126 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=111126\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 651/(X+23)=490/X<BR>\n" );
document.write( "651X=490(X+23)<BR>\n" );
document.write( "651X=490X+11,270<BR>\n" );
document.write( "651X-490X=11,270<BR>\n" );
document.write( "161X=11,270<BR>\n" );
document.write( "X=11,270/161<BR>\n" );
document.write( "X=70 KMH FOR kIRK'S SPEED<BR>\n" );
document.write( "70+23=93 KMH FOR rICHARDS SPEED.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "651/93=490/70<BR>\n" );
document.write( "7=7 <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );