document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=744574>Question 744574</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the present age of a father is equal to the sum of ages of his 5 children. 12 years hence the sum of ages of his children will be twice the age of their father. find the present age of the father. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #852567 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39702)</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=852567\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> FIVE children, one father<BR>\n" );
document.write( "y, age of father<BR>\n" );
document.write( "C, sum of ages of the five children\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28y=C%2C2%28y%2B12%29=C%2B5%2A12%29 ALIGN=MIDDLE  ALT=\"system%28y=C%2C2%28y%2B12%29=C%2B5%2A12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >---------the description\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28y=C%2C2y%2B24=C%2B60%29 ALIGN=MIDDLE  ALT=\"system%28y=C%2C2y%2B24=C%2B60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Using second equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2y=C%2B36 ALIGN=MIDDLE  ALT=\"2y=C%2B36\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "substituting for C,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2y=y%2B36 ALIGN=MIDDLE  ALT=\"2y=y%2B36\"   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%28y=36%29 ALIGN=MIDDLE  ALT=\"highlight%28y=36%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > father's current age </SPAN>\n" );
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