document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=231035>Question 231035</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student normally needs 15 seconds for a 100 m sprint<BR>\n" );
document.write( "One day favorable wind conditions help her to increase her speed by 2 km/h <BR>\n" );
document.write( "What is her time now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #171067 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=171067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> st=d<BR>\n" );
document.write( "15s=100<BR>\n" );
document.write( "s=100/15<BR>\n" );
document.write( "=20/3 m/sec<BR>\n" );
document.write( ".<BR>\n" );
document.write( "2km/h<BR>\n" );
document.write( "=2000/60^2<BR>\n" );
document.write( "=2000/3600<BR>\n" );
document.write( "=20/36<BR>\n" );
document.write( "=5/9 m/sec<BR>\n" );
document.write( ".<BR>\n" );
document.write( "20/3 + 5/9<BR>\n" );
document.write( "=60/9 + 5/9<BR>\n" );
document.write( "=65/9 m/sec new speed.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "65t/9=100<BR>\n" );
document.write( "t=900/65=180/13 sec<BR>\n" );
document.write( "=13.85 sec<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed<BR>\n" );
document.write( ". </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );