document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=841714>Question 841714</A>: <I><SPAN STYLE=\"word-break: break-all;\"> From a point on a straight road, 2 cars are driven in opposite directions, 1 at 40mph and the other at 74 mph. In how many hours will they be 456 miles apart? ( the answer is 4 hours. I'm not sure how to set up the equation.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #507157 by </B><A HREF=/tutors/aboutme.mpl?userid=hovuquocan1997><B>hovuquocan1997(83)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=hovuquocan1997><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=507157\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The formula for this is always speed*time=distance<BR>\n" );
document.write( "Let's set the time in this problem as \"x\" <BR>\n" );
document.write( "The distance the first car travels is speed*time = 40x<BR>\n" );
document.write( "The distance the second car travels is speed*time = 74x<BR>\n" );
document.write( "They tell you how many miles they're apart, and they tell you that \"they're driven in opposite directions\", that means the total of two distances of two cars are 456<BR>\n" );
document.write( "So we have the equation <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+40x+%2B+74x+=+456 ALIGN=MIDDLE  ALT=\"+40x+%2B+74x+=+456\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=114x+=+456 ALIGN=MIDDLE  ALT=\"114x+=+456\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+4 ALIGN=MIDDLE  ALT=\"x+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "TA-DAH<BR>\n" );
document.write( ":D  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );