document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=170817>Question 170817</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A father is 4 times older as old as his daughter. In 20 years he will be only twice as old as his daughter. How old are the father and daughter now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #126114 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=126114\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A father is 4 times older as old as his daughter. In 20 years he will be only twice as old as his daughter. How old are the father and daughter now?<BR>\n" );
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document.write( "NOW DATA:<BR>\n" );
document.write( "Let daughter be x yrs. old<BR>\n" );
document.write( "father is 4x yrs old<BR>\n" );
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document.write( "In 20 years DATA:<BR>\n" );
document.write( "daughter will be x+20 yrs old<BR>\n" );
document.write( "father will be 4x+20 yrs old<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "father = 2*daughter's age<BR>\n" );
document.write( "4x+20 = 2(x+20)<BR>\n" );
document.write( "4x+20 = 2x+40<BR>\n" );
document.write( "2x = 20<BR>\n" );
document.write( "x = 10 (daughter's age NOW)<BR>\n" );
document.write( "4x = 40 (father's age NOW)<BR>\n" );
document.write( "==============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );