document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=187089>Question 187089</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Fred bicycles 7km/h slower than samantha.  In the time it takes fred to bicycle 40km, samantha travels 68km.  How fast does fred bicycles? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #140235 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=140235\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Use <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large d = rt \ \ \Rightarrow\ \ t = \frac{d}{r}\">\r<BR>\n" );
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document.write( "Fred's trip:\r<BR>\n" );
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document.write( "<i>d</i> = 40 km, <i>t</i> unknown, but the same as Samantha's trip, <i>r</i> = Fred's rate of speed -- the answer we seek.\r<BR>\n" );
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document.write( "Samantha's trip:\r<BR>\n" );
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document.write( "<i>d</i> = 68 km, <i>t</i> unknown, but the same as Fred's trip, <i>r</i> = Fred's rate of speed so <i>r</i> + 7 = Samantha's rate of speed.\r<BR>\n" );
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document.write( "For Fred:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \  t = \frac{40}{r} \">\r<BR>\n" );
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document.write( "For Samantha:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \  t = \frac{68}{r+7}\">\r<BR>\n" );
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document.write( "But <i>t</i> = <i>t</i>, so:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \  \frac{68}{r+7} = \frac{40}{r}\">\r<BR>\n" );
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document.write( "Solve for <i>r</i> to get Fred's speed.  Hint: First cross-multiply.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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