document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=973587>Question 973587</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Betty runs 70 metres in 8.4 seconds. if she maintains the same average speed. In what time will she run 100 metres  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #595708 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=595708\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Set up a proportion, then cross-multiply and divide.\r<BR>\n" );
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document.write( "70 meters / 8.4 seconds = 100 meters / x seconds<BR>\n" );
document.write( "70x = 840 {cross-multiplied}<BR>\n" );
document.write( "x = 12 seconds  {divided each side by 70}\r<BR>\n" );
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document.write( "In 12 seconds, she will run 100 meters<BR>\n" );
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