document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=811298>Question 811298</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Medicine Hat & Cranbrook are 300 Km apart. Steve rides his Harley 20 Km per hr faster than Bob rides his Yamaha. Find Steve's average rate if he travels from Cranbrook to Medicine Hat in 1.25 hr less time than Bob? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #488690 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=488690\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Person____________speed_____________time______________distance<BR>\n" );
document.write( "Steve_____________r+20______________x-1.25____________300<BR>\n" );
document.write( "Bob_______________r_________________x_________________300\r<BR>\n" );
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document.write( "We do not know Bob's speed, r and we do not know Bob's time, x.  We only know their distance to travel.  Use uniform rate R*T=D, and D is the same for both Steve and Bob.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28r%2B20%29%28x-1.25%29=300 ALIGN=MIDDLE  ALT=\"%28r%2B20%29%28x-1.25%29=300\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%2Ax=300 ALIGN=MIDDLE  ALT=\"r%2Ax=300\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=rx%2Br%28-1.25%29%2B20x%2B20%2A%28-1.25%29=300 ALIGN=MIDDLE  ALT=\"rx%2Br%28-1.25%29%2B20x%2B20%2A%28-1.25%29=300\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=rx-1.25r%2B20x-25=300 ALIGN=MIDDLE  ALT=\"rx-1.25r%2B20x-25=300\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Seeing the equality of rx and 300, we can subtract either from both sides to simplify this equation to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1.25r%2B20x-25=0 ALIGN=MIDDLE  ALT=\"-1.25r%2B20x-25=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "We now have the simpler system, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.25r-20x%2B25=0 ALIGN=MIDDLE  ALT=\"1.25r-20x%2B25=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=rx=300 ALIGN=MIDDLE  ALT=\"rx=300\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Solve the rx equation for x and substitute:<BR>\n" );
document.write( "x=300/r<BR>\n" );
document.write( "giving one equation in only r:   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%281.25r-20%28300%2Fr%29%2B25=0%29 ALIGN=MIDDLE  ALT=\"highlight%281.25r-20%28300%2Fr%29%2B25=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----take it from there. </SPAN>\n" );
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