document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=543793>Question 543793</A>: <I><SPAN STYLE=\"word-break: break-all;\"> John is 8 years older than his sister. In 3 years he will be twice as old as she is. How old are they now?<BR>\n" );
document.write( "Let x represent the age of John's sister now </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #354929 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=354929\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> John is 8 years older than his sister. In 3 years he will be twice as old as she is. How old are they now?<BR>\n" );
document.write( "Let s represent the age of John's sister now<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "j = s + 8<BR>\n" );
document.write( "j+3 = 2(s+8)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Substitute for \"j\" and solve for \"s\":<BR>\n" );
document.write( "s+8+3 = 2s+16<BR>\n" );
document.write( "s+11 = 2s+16<BR>\n" );
document.write( "s = -5 (Sis's age now) <BR>\n" );
document.write( "Comment: That's the answer but that doesn't make any sense.<BR>\n" );
document.write( "--<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );