document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165652>Question 1165652</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mark is two years older than Juan.  Jerman is twice as old as Mark.  Coral is twice as old as Jerman.  The sum of their ages is 38.  How old is Mark? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #790137 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=790137\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mark, m<BR>\n" );
document.write( "Juan, n<BR>\n" );
document.write( "Jermin,r<BR>\n" );
document.write( "Carol, c<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28m=n%2B2%2Cr=2m%2Cc=2r%2Cm%2Bn%2Br%2Bc=38%29 ALIGN=MIDDLE  ALT=\"system%28m=n%2B2%2Cr=2m%2Cc=2r%2Cm%2Bn%2Br%2Bc=38%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "sub for m:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28m=n%2B2%2Cr=2n%2B4%2Cc=2r%29 ALIGN=MIDDLE  ALT=\"system%28m=n%2B2%2Cr=2n%2B4%2Cc=2r%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "sub for r:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28m=n%2B2%2Cr=2n%2B4%2Cc=4n%2B8%29 ALIGN=MIDDLE  ALT=\"system%28m=n%2B2%2Cr=2n%2B4%2Cc=4n%2B8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Sub into the sum equation:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28n%2B2%29%2Bn%2B%282n%2B4%29%2B%284n%2B8%29=38 ALIGN=MIDDLE  ALT=\"%28n%2B2%29%2Bn%2B%282n%2B4%29%2B%284n%2B8%29=38\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28n=3%29 ALIGN=MIDDLE  ALT=\"highlight%28n=3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >--------Juan's age found.\r<BR>\n" );
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document.write( "Other substitutions,...<BR>\n" );
document.write( "result in<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28m=5%2Cr=10%2Cc=20%29 ALIGN=MIDDLE  ALT=\"system%28m=5%2Cr=10%2Cc=20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28Mark%2CJerman%2CCarol%29 ALIGN=MIDDLE  ALT=\"system%28Mark%2CJerman%2CCarol%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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