document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=113953>Question 113953</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jack is twice as old as Jill.In 2 years,jack will be 4 times as old as Jill was 9 years ago. How old are they know </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #82934 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=82934\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let Jack's age=2x & Jill's age=x now.<BR>\n" );
document.write( "in 2 years Jack will be (2x+2) years old.<BR>\n" );
document.write( "(x-9) was Jill's age 9 years ago.<BR>\n" );
document.write( "so we have:<BR>\n" );
document.write( "2x+2=4(x-9) or in 2 years Jack will be 4 times as old as Jill was 9 years ago.<BR>\n" );
document.write( "2x+2=4x-36<BR>\n" );
document.write( "2x-4x=-36-2<BR>\n" );
document.write( "-2x=-38<BR>\n" );
document.write( "x=-38/-2<BR>\n" );
document.write( "x=19 years old is Jill's current age.<BR>\n" );
document.write( "seeing as Jack is twice Jill's age then Jack is 2*19=38 years of age.<BR>\n" );
document.write( "proof:<BR>\n" );
document.write( "2*19+2=4(19-9)<BR>\n" );
document.write( "38+2=4*10<BR>\n" );
document.write( "40=40<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );