document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=450534>Question 450534</A>: <I><SPAN STYLE=\"word-break: break-all;\"> frank is eight years older than his sister. In three year he will be twice as old as she is. 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 #309879 by </B><A HREF=/tutors/aboutme.mpl?userid=poliphob3.14><B>poliphob3.14(115)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=poliphob3.14><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=309879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the sister's age now x years, then Frank's age is now x+8 years. After 3 years their ages will be: Frank's age x+11 and his sister's age x+3.<BR>\n" );
document.write( "Since after 3 years Frank's age is twice as old as she is, write the equation.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B11=2%28x%2B3%29 ALIGN=MIDDLE  ALT=\"x%2B11=2%28x%2B3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5 ALIGN=MIDDLE  ALT=\"x=5\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Frank is now 5+8=13 years old.\r<BR>\n" );
document.write( "\n" );
document.write( "Answer:Frank is now 13 years old and his sister is 5 years old. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );