document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=908918>Question 908918</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During the first 20km of a 50 km bicycle race, Rosa's average speed was 30 km/h. What must her average speed be during the remainder of the race if she is to finish the race in less than 1.5 h?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #551800 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=551800\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> During the first 20km of a 50 km bicycle race, Rosa's average speed was 30 km/h. What must her average speed be during the remainder of the race if she is to finish the race in less than 1.5 h?<BR>\n" );
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document.write( "travel time=distance/speed<BR>\n" );
document.write( "let x=average speed during the remainder of the race <BR>\n" );
document.write( "20/30+30/x=1.5<BR>\n" );
document.write( "30/x=1.5-20/30<BR>\n" );
document.write( "30/x=3/2-2/3=9/6-4/6=5/6<BR>\n" );
document.write( "x/30=6/5<BR>\n" );
document.write( "x=36<BR>\n" );
document.write( "What must her average speed be during the remainder of the race? >36 km/hr </SPAN>\n" );
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