document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=756314>Question 756314</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Erica's uncle is 3 times as old as she is now.  Four years ago, he was 4 times as old as she was then. How old is Erica now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460123 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=460123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Erica's uncle is 3 times as old as she is now. Four years ago, he was 4 times as old as she was then. How old is Erica now?<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "u = 3e<BR>\n" );
document.write( "u-4 = 4(e-4)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Substitute and solve for \"e\":<BR>\n" );
document.write( "3e-4 = 4e-16<BR>\n" );
document.write( "Erica = 12 years<BR>\n" );
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document.write( "Solve for \"u\":<BR>\n" );
document.write( "u = 3e<BR>\n" );
document.write( "Uncle = 36 years<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );