document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=515176>Question 515176</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kathy bicycles 4/km/h faster than Robert.  In the same time it takes Robert to bicycle 57 km, Kathy can bicycle 69km.  How fast does each bicyclist travel?\r<BR>\n" );
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document.write( "Robert -<BR>\n" );
document.write( "Kathy -\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Diane <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #343818 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=343818\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"Kathy bicycles 4/km/h faster than Robert\" ___ K = R + 4\r<BR>\n" );
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document.write( "\"In the same time it takes Robert to bicycle 57 km, Kathy can bicycle 69km\" ___ t = d / r<BR>\n" );
document.write( "___ the times are the same (equal) ___ (57 / R) = (69 / K)\r<BR>\n" );
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document.write( "\"cross\" multiplying ___ 57K = 69R\r<BR>\n" );
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document.write( "substituting ___ 57R + 228 = 69R\r<BR>\n" );
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document.write( "solve for R and substitute back to find K </SPAN>\n" );
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