document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=972566>Question 972566</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am now four times as old as my sister. When I am four times as old as I am now, my sister will still be less than thirty years old. How old is she now?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #594890 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=594890\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> b,s brother, sister;<BR>\n" );
document.write( "x, more years;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=4s ALIGN=MIDDLE  ALT=\"b=4s\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4b=%28s%2Bx%29%3C30 ALIGN=MIDDLE  ALT=\"4b=%28s%2Bx%29%3C30\"   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=4%284s%29=s%2Bx%3C30 ALIGN=MIDDLE  ALT=\"4%284s%29=s%2Bx%3C30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16s=s%2Bx%3C30 ALIGN=MIDDLE  ALT=\"16s=s%2Bx%3C30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This looks like two simultaneous statements in variables s and x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2816s=s%2Bx%2Cs%2Bx%3C30%29 ALIGN=MIDDLE  ALT=\"system%2816s=s%2Bx%2Cs%2Bx%3C30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2815s=x%2Cs%3C30-x%29 ALIGN=MIDDLE  ALT=\"system%2815s=x%2Cs%3C30-x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%3C30-%2815s%29 ALIGN=MIDDLE  ALT=\"s%3C30-%2815s%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%3C30-15s ALIGN=MIDDLE  ALT=\"s%3C30-15s\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%2B15s%3C30 ALIGN=MIDDLE  ALT=\"s%2B15s%3C30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16s%3C30 ALIGN=MIDDLE  ALT=\"16s%3C30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8s%3C15 ALIGN=MIDDLE  ALT=\"8s%3C15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%3C15%2F8 ALIGN=MIDDLE  ALT=\"s%3C15%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Sister could be between 0 years and 1 year 10.5 months, exclusive. </SPAN>\n" );
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