document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=603760>Question 603760</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ali is twice as old as Ed. Four years ago, he was four times as old as ed. When will the sum of their ages be 66? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #380811 by </B><A HREF=/tutors/aboutme.mpl?userid=alicealc><B>alicealc(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=alicealc><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=380811\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ali's age = A<BR>\n" );
document.write( "Ed's age = E\r<BR>\n" );
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document.write( "A = 2E\r<BR>\n" );
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document.write( "A - 4 = 4*(E -4)<BR>\n" );
document.write( "2E - 4 = 4E - 16<BR>\n" );
document.write( "16 - 4 = 4E - 2E<BR>\n" );
document.write( "12 = 2E<BR>\n" );
document.write( "E = 12/2 = 6\r<BR>\n" );
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document.write( "A = 2E = 2*6 = 12\r<BR>\n" );
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document.write( "6 + x + 12 + x = 66<BR>\n" );
document.write( "18 + 2x = 66<BR>\n" );
document.write( "2x = 66 - 18<BR>\n" );
document.write( "2x = 48<BR>\n" );
document.write( "x = 48/2 = 24\r<BR>\n" );
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document.write( "so 24 years later the sum of their ages will be 66 </SPAN>\n" );
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