document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=370338>Question 370338</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Elsie is twelve years older than her brother Andy. Four years from now, Andy will be 2/3 as old as Elsie. How old are they now ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #263957 by </B><A HREF=/tutors/aboutme.mpl?userid=amoresroy><B>amoresroy(361)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amoresroy><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=amoresroy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=263957\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Elsie is twelve years older than her brother Andy. Four years from now, Andy will be 2/3 as old as Elsie. How old are they now ?\r<BR>\n" );
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document.write( "Let E = the age of Elsie<BR>\n" );
document.write( "    A = the age of Andy\r<BR>\n" );
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document.write( "E = A + 12\r<BR>\n" );
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document.write( "A+4 = 2/3(E +4)\r<BR>\n" );
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document.write( "Substitute the value of E in eq. 1 to eq. 2<BR>\n" );
document.write( "A+4 = 2/3(A+12+4)<BR>\n" );
document.write( "A+4 = 2/3(A+16)<BR>\n" );
document.write( "Multiply both sides by 3/2<BR>\n" );
document.write( "3A/2+6 = A+16<BR>\n" );
document.write( "A/2    = 10<BR>\n" );
document.write( "    A  = 20<BR>\n" );
document.write( "Andy is 20 years old\r<BR>\n" );
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document.write( "So, <BR>\n" );
document.write( "    E = 20+12 = 32<BR>\n" );
document.write( "Elsie is 32 years old </SPAN>\n" );
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