document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=159785>Question 159785</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Acertain instructor's age is now seven-ninths of what will be 18 years from now. Just how old is he now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #117825 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=117825\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A certain instructor's age is now seven-ninths of what will be 18 years from now. Just how old is he now?<BR>\n" );
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document.write( "Let x = age of instructor<BR>\n" );
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document.write( "x = (7/9)(x+18)<BR>\n" );
document.write( "9x = 7(x+18)<BR>\n" );
document.write( "9x = 7x+126<BR>\n" );
document.write( "2x = 126<BR>\n" );
document.write( "x = 63 years old<BR>\n" );
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