document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1100456>Question 1100456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Marie is 10 years older and her sister, Sarah, is 8 years old. How many years ago was Marie twice as old as Sarah was then?\r<BR>\n" );
document.write( "\n" );
document.write( "We know that Marie is now 18 years old but is it asking how many years ago Marie was twice as old as Sarah was at age 8? Or just twice her age? Not sure how we would put this into an equation. This is for third grade math!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #714987 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=714987\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Third grade math???\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Marie and Sarah (her sister?)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Sarah is 8 and if Marie is 10 years older, then Marie NOW is 18.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "----------------------------------------------------------------<BR>\n" );
document.write( "How many years ago was Marie twice as old as Sarah was then? <BR>\n" );
document.write( "----------------------------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x years ago.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2818-x=2%288-x%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%2818-x=2%288-x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18-x=16-2x ALIGN=MIDDLE  ALT=\"18-x=16-2x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2-x=-2x ALIGN=MIDDLE  ALT=\"2-x=-2x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2x%2Bx=2 ALIGN=MIDDLE  ALT=\"-2x%2Bx=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-x=2 ALIGN=MIDDLE  ALT=\"-x=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=-2%29 ALIGN=MIDDLE  ALT=\"highlight%28x=-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----------meaning, not two years ago, but two years FROM NOW, IN THE FUTURE. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );