document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=331927>Question 331927</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During the first 20 mi of a 50 mi bicycle race. Roger's average  speed was 16 mi/h. what must his average speed be during the remainder of the race if he is to finish the race in less than 2.5h? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #237916 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=237916\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> During the first 20 mi of a 50 mi bicycle race. Roger's average  speed was 16 mi/h. what must his average speed be during the remainder of the race if he is to finish the race in less than 2.5h?\r<BR>\n" );
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document.write( "First 20 mi. 16 mph<BR>\n" );
document.write( "time = 20/16 = 5/4 hours.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "he has to finish in less than 2.5 hours = 5/2 hours<BR>\n" );
document.write( "Balance time = 5/2 - 5/4 = 10-5 /4= 5/4 hours<BR>\n" );
document.write( ".<BR>\n" );
document.write( "He has to ride 30 more miles.<BR>\n" );
document.write( "in less than 5/4 hours<BR>\n" );
document.write( "speed > distance / time<BR>\n" );
document.write( "speed > 30/(5/4)<BR>\n" );
document.write( "speed > 30*4/5<BR>\n" );
document.write( "speed > 24 mph<BR>\n" );
document.write( "he has to ride at speed > 24 mph </SPAN>\n" );
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