document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=160912>Question 160912</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is a very simple formula but I can not make it work with this problem - D=RT<BR>\n" );
document.write( "The word problem is from a handout on Polynomils<BR>\n" );
document.write( "\"Jamie ran two laps around a track in 99s.  How long did it take him to run each lap if he ran the first lap at 8.5m/s and the second at 8.0 m/s?\"\r<BR>\n" );
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document.write( "my break down <BR>\n" );
document.write( "D1=R1T1 1 lap=8.5m/sT but I don't know how many miles my lap is?<BR>\n" );
document.write( "d2=R2T2 1 lap=8.0m/sT<BR>\n" );
document.write( "I am stuck - 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 #118595 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=118595\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jamie ran two laps around a track in 99s.<BR>\n" );
document.write( "distance = 2D; t= 99s ; rate = d/t = 2D/99 meters/second<BR>\n" );
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document.write( "How long did it take him to run each lap if he ran the first lap at 8.5m/s and the second at 8.0 m/s?\" <BR>\n" );
document.write( "1st lap DATA:<BR>\n" );
document.write( "distance = D ; rate = 8.5 m/s; time = D/8.5 seconds<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "2ns lap DATA:<BR>\n" );
document.write( "distance = D ; rate = 8.0 m/s ; time = D/8 seconds<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "time + time = 99 seconds<BR>\n" );
document.write( "D/8.5 + D/8 = 99<BR>\n" );
document.write( "8D + 8.5D = 99*8.0*8.5<BR>\n" );
document.write( "Using 8.0 and 8.5 because that is the least common multiply of the denominators.<BR>\n" );
document.write( "16.5D = 6732<BR>\n" );
document.write( "D = 408 meters<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Time for 1st lap: time = distance/rate = 408/8.5 = 48 seconds<BR>\n" );
document.write( "Time for 2nd lap: time = distance/rate = 408/8 = 51 seconds<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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