document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=990036>Question 990036</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sara left downtown Portland, and 3 hours later, sam left going 43mph faster to catch up. After another 2 hours, Sam caught up. Find saras average speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610150 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=610150\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sara left downtown Portland. 3 hours later sam left going 43mph faster to catch up. After another 2 hours, Sam caught up. Find Sarah's average speed? <BR>\n" );
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document.write( "Sarah DATA:<BR>\n" );
document.write( "rate = r mph ; time = 5 hrs ; distance = 5r miles<BR>\n" );
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document.write( "Sam DATA:<BR>\n" );
document.write( "rate = r+43 mph ; time = 2 hrs ; distance = (r+43)2 miles<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "dist = dist<BR>\n" );
document.write( "5r = 2r+86<BR>\n" );
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document.write( "3r = 86<BR>\n" );
document.write( "r = 28 2/3 mph (Sarah's rate)<BR>\n" );
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document.write( "r + 43 = 71 2/3 mph (Sam's rate)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "------------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );