document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1185174>Question 1185174</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Erik is 68 years younger than Zoe. 7 years ago, Zoe's age was 3 times Erik's age. How old is Erik 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 #815953 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=815953\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "There are of course many ways to set this problem up for solving.  With the information that is given, here is what I would do.<br><BR>\n" );
document.write( "Let x be Erik's age 7 years ago<BR>\n" );
document.write( "Then 3x = Zoe's age 7 years ago<br><BR>\n" );
document.write( "The difference in their ages 7 years ago was 3x-1=2x<br><BR>\n" );
document.write( "But the difference in their ages 7 years ago is the same as that difference now, which is 68 years:<br><BR>\n" );
document.write( "2x=68<BR>\n" );
document.write( "x=34<br><BR>\n" );
document.write( "Erik's age 7 years ago was 34.<br><BR>\n" );
document.write( "ANSWER: Erik's age now is 34+7 = 41<br><BR>\n" );
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