document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=975566>Question 975566</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sarah is half as old as Natalie. The sum of their ages is 36. Explain how to use a system of equations to find both their ages\r<BR>\n" );
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document.write( "What are the unknown quantities and what variables did you use?<BR>\n" );
document.write( "• What are the equations you set up relating the variables?<BR>\n" );
document.write( "• What method did you use to solve the system of equations?<BR>\n" );
document.write( "• What is the solution to the problem?<BR>\n" );
document.write( "• How can you check that you found the right answer?<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 #597309 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</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=597309\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> s, Sarah's age<BR>\n" );
document.write( "n, Natalie's age\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28s=%281%2F2%29n%2Cs%2Bn=36%29 ALIGN=MIDDLE  ALT=\"system%28s=%281%2F2%29n%2Cs%2Bn=36%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use simple substitution. </SPAN>\n" );
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