document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1019239>Question 1019239</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a father is 27 years older than his son. Ten years from now the father will be twice as old as his son. How old is each now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #635171 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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/cgi-bin/show-face.mpl?user=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=635171\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "a father is 27 years older than his son<BR>\n" );
document.write( "F = 27 + S<BR>\n" );
document.write( "Ten years from now the father will be <BR>\n" );
document.write( "twice as old as his son. <BR>\n" );
document.write( "F + 10 = 2(S + 10)<BR>\n" );
document.write( "Replace F with (27 + S) from top equation.<BR>\n" );
document.write( "27 + S + 10 = 2S + 20<BR>\n" );
document.write( "Collect like terms<BR>\n" );
document.write( "S - 2S = 20 - 27 - 10<BR>\n" );
document.write( "-S = -17<BR>\n" );
document.write( "S = 17<BR>\n" );
document.write( "Son is 17 years old<BR>\n" );
document.write( "Father is 44 years old<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
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