document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=390997>Question 390997</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If an earthquake travels 6 km/sec, how long will it take to reach 360 km? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #277292 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=277292\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "Since we know the earthquake travels 6 km in 1 sec, we can divide 6 into 360 to get:<BR>\n" );
document.write( "60 seconds<BR>\n" );
document.write( "We can set this up as a proportion:<BR>\n" );
document.write( "6/1=360/x<BR>\n" );
document.write( "Rewritten as:<BR>\n" );
document.write( "6x=360 (by cross multiplying)<BR>\n" );
document.write( "Now divide both sides by 6<BR>\n" );
document.write( "and we get 60 seconds or 1 minute. <BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );