document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=599852>Question 599852</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am 30 years old and my sister is 10. I need an equation to figure out how old my sister and I will be when I am three times as old as my sister. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #379118 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=379118\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I am 30 years old and my sister is 10. I need an equation to figure out how old my sister and I will be when I am three times as old as my sister.<BR>\n" );
document.write( "----<BR>\n" );
document.write( "You are now 3 times as old as old as your sister.<BR>\n" );
document.write( "That will never happen at a later or earlier age.<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Maybe you would like to know whan you will be 5 times<BR>\n" );
document.write( "as old as your sister.<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "(30+x) = 5(10+x)<BR>\n" );
document.write( "30+x = 50 + 5x<BR>\n" );
document.write( "4x = -20<BR>\n" );
document.write( "x = -5<BR>\n" );
document.write( "----<BR>\n" );
document.write( "When you are 30-5 = 25 you will be 5 times as old<BR>\n" );
document.write( "as your sister, who will be 10-5 = 5...<BR>\n" );
document.write( "So that happened in the past; and it will never happen again.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );