document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1172651>Question 1172651</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the ages of Gerardo and Alexis is 104 years. 12 years ago, Gerardo's age was 3 times Alexis's age. How old is Gerardo now?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #797766 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=797766\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "I suspect the interpretation of the given information by the other tutor is not correct.<br><BR>\n" );
document.write( "I think the information is that Gerardo's age 12 years ago was 3 times Alexis's age 12 years ago -- not 3 times Alexis's current age....<br><BR>\n" );
document.write( "12 years ago, the sum of their ages was 104-2(12) = 80.<br><BR>\n" );
document.write( "At that time, Gerardo was 3 times as old as Alexis.  Any number of different methods can be used to determine that their ages 12 years ago were 60 and 20.<br><BR>\n" );
document.write( "So Gerardo's age now is 60+12 = 72.<br><BR>\n" );
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