document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=182645>Question 182645</A>: <I><SPAN STYLE=\"word-break: break-all;\"> jim ran 12 miles in 45 minutes less than it took jon to walk 5 miles. if jim's speed was 5 miles faster than jon's speed, what was jim's speed.\r<BR>\n" );
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document.write( "i need help ASAP, please and thank you!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137125 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=137125\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> jim ran 12 miles in 45 minutes less than it took jon to walk 5 miles. if jim's speed was 5 miles faster than jon's speed, what was jim's speed.<BR>\n" );
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document.write( "Jon DATA:<BR>\n" );
document.write( "time = x hrs; distance = 5 miles ; rate = d/t = 5/x mph<BR>\n" );
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document.write( "Jim DATA:<BR>\n" );
document.write( "distance = 12 miles ; time = x-(3/4) hr; rate = d/t = 12/(x-(3/4))<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "jim rate = jon rate + 5<BR>\n" );
document.write( "12/(x-(3/4)) = (5/x) + 5\r<BR>\n" );
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document.write( "48/(4x-3) = (5 + 5x)/x\r<BR>\n" );
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document.write( "48x = 5(x+1)(4x-3)<BR>\n" );
document.write( "48x = 5[4x^2 +x - 3]<BR>\n" );
document.write( "20x^2 - 43x - 15 = 0<BR>\n" );
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document.write( "x = [43 +- sqrt(43^2 - 4*20*-15)]/40\r<BR>\n" );
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document.write( "x = [43 + 55.22]/40<BR>\n" );
document.write( "x = 2.455 mph<BR>\n" );
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document.write( "Jim's rate = d/t = 12/(x-(3/4))<BR>\n" );
document.write( "Jim's rate = 12/(2.455-0.75) = 7.038 mph<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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