document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1119900>Question 1119900</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mas is 21 years older than his son. 5 years ago he was four times as old as his son. What are their<BR>\n" );
document.write( "ages now?<BR>\n" );
document.write( "a. Write a system of two equations whose solution will provide the answer to the question.<BR>\n" );
document.write( "b. Solve that system of equations using the method of elimination or the method of substitution.<BR>\n" );
document.write( "Show all relevant working. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #735539 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=735539\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> m, Man<BR>\n" );
document.write( "n, soN\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28m=n%2B21%2Cm-5=4%28n-5%29%29 ALIGN=MIDDLE  ALT=\"system%28m=n%2B21%2Cm-5=4%28n-5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "-\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%2B21-5=4n-20 ALIGN=MIDDLE  ALT=\"n%2B21-5=4n-20\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=substitution ALIGN=MIDDLE  ALT=\"substitution\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%2B16=4n-20 ALIGN=MIDDLE  ALT=\"n%2B16=4n-20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=36=3n ALIGN=MIDDLE  ALT=\"36=3n\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28n=12%29 ALIGN=MIDDLE  ALT=\"highlight%28n=12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28m=33%29 ALIGN=MIDDLE  ALT=\"highlight%28m=33%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );