document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981991>Question 981991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mr. Wong is 4 times as old as his daughter Sylvia. In 10 years Mr. Wong will be 10 times as old as his daughter was 5 years ago. How old is each now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602911 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=602911\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "D=daughter's age; F=father's age=D+25<BR>\n" );
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document.write( "F+10yrs=2(D+10yrs) Substitute for F.<BR>\n" );
document.write( "D+25yrs+10yrs=2D+20 yrs<BR>\n" );
document.write( "D+35yrs=2D+20yrs<BR>\n" );
document.write( "15yrs=D ANSWER 1: Daughter is 15 years old.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "F=D+25yrs=15yrs+25yrs=40yrs ANSWER 2: Father is 40 years old<BR>\n" );
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document.write( "CHECK:<BR>\n" );
document.write( "F+10yrs=2(D+10yrs)<BR>\n" );
document.write( "40yrs+10yrs=2(15yrs+10yrs)<BR>\n" );
document.write( "50yrs=2(26yrs)<BR>\n" );
document.write( "50yrs=50yrs </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );