document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=989680>Question 989680</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jen is 80 years old and her grandson mark is 5 years old, in how many years will Jen be 4 times Mark's age ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610022 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=610022\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "J=Jen's age=80 years; M=Mark's age=5 years; <BR>\n" );
document.write( "x=years until Jen is 4 times Mark's age<BR>\n" );
document.write( ".<BR>\n" );
document.write( "J+x=4(M+x)<BR>\n" );
document.write( "80+x=4(5+x)<BR>\n" );
document.write( "80+x=20+4x<BR>\n" );
document.write( "60=3x<BR>\n" );
document.write( "20=x<BR>\n" );
document.write( "ANSWER: Jen will be 4 times Mark's age in 20 years.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( "J+x=4(M+x)<BR>\n" );
document.write( "80+20=4(5+20)<BR>\n" );
document.write( "100=4(25)<BR>\n" );
document.write( "100=100<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );