document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108127>Question 108127</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ann is 6 years older than Mary. She is also twice as old as Mary was when Ann was as old as Mary is now. How old is each now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #78785 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=78785\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Ann=x-years-old ALIGN=MIDDLE  ALT=\"Ann=x-years-old\"   DISABLED_style= \"max-width:90%; height:auto;\" > => \r<BR>\n" );
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document.write( "And <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Mary=y-years-old ALIGN=MIDDLE  ALT=\"Mary=y-years-old\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+y%2B6 ALIGN=MIDDLE  ALT=\"x+=+y%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" >...because Ann is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6 ALIGN=MIDDLE  ALT=\"6\"   DISABLED_style= \"max-width:90%; height:auto;\" > years older than Mary.<BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=2y-6 ALIGN=MIDDLE  ALT=\"x=2y-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >....She is also <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=twice ALIGN=MIDDLE  ALT=\"twice\"   DISABLED_style= \"max-width:90%; height:auto;\" > as old as Mary was when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Ann-+was-+as+-old-+as-+Mary-+is+-now ALIGN=MIDDLE  ALT=\"Ann-+was-+as+-old-+as-+Mary-+is+-now\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "use these two equations above to solve the problem:\r<BR>\n" );
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document.write( "since the left sides of the equations above are equal, and then right sides must be equal too:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2B6+=+2y-6 ALIGN=MIDDLE  ALT=\"y%2B6+=+2y-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+%2B+6+=+2y-6+ ALIGN=MIDDLE  ALT=\"y+%2B+6+=+2y-6+\"   DISABLED_style= \"max-width:90%; height:auto;\" >….move <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+ ALIGN=MIDDLE  ALT=\"y+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6+%2B6=+2y-y ALIGN=MIDDLE  ALT=\"6+%2B6=+2y-y\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+12 ALIGN=MIDDLE  ALT=\"y+=+12\"   DISABLED_style= \"max-width:90%; height:auto;\" >……….. Mary is<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12-years-old ALIGN=MIDDLE  ALT=\"12-years-old\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " Then ………………......Ann is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18-years-old ALIGN=MIDDLE  ALT=\"18-years-old\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "check:\r<BR>\n" );
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document.write( "Ann is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18 ALIGN=MIDDLE  ALT=\"18\"   DISABLED_style= \"max-width:90%; height:auto;\" >, Mary is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12 ALIGN=MIDDLE  ALT=\"12\"   DISABLED_style= \"max-width:90%; height:auto;\" >      => Ann is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6 ALIGN=MIDDLE  ALT=\"6\"   DISABLED_style= \"max-width:90%; height:auto;\" > years older then Mary or<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12+%2B6=18 ALIGN=MIDDLE  ALT=\"12+%2B6=18\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "When <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Ann ALIGN=MIDDLE  ALT=\"Ann\"   DISABLED_style= \"max-width:90%; height:auto;\" > was as old as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Mary ALIGN=MIDDLE  ALT=\"Mary\"   DISABLED_style= \"max-width:90%; height:auto;\" > is now, means it was before <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6 ALIGN=MIDDLE  ALT=\"6\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "years \r<BR>\n" );
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document.write( "and before <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6 ALIGN=MIDDLE  ALT=\"6\"   DISABLED_style= \"max-width:90%; height:auto;\" > years Ann was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18-6=12 ALIGN=MIDDLE  ALT=\"18-6=12\"   DISABLED_style= \"max-width:90%; height:auto;\" > and Mary was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12-6+=+6 ALIGN=MIDDLE  ALT=\"12-6+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "When Ann was <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12 ALIGN=MIDDLE  ALT=\"12\"   DISABLED_style= \"max-width:90%; height:auto;\" >, she was twice as old as Mary (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2A6=12 ALIGN=MIDDLE  ALT=\"2%2A6=12\"   DISABLED_style= \"max-width:90%; height:auto;\" >).<BR>\n" );
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