document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077695>Question 1077695</A>: <I><SPAN STYLE=\"word-break: break-all;\"> average age of a boy and a girl is 14 years. The average age of the same boy, the girl and her twin sister is 16 years. What is the boy'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 #692161 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=692161\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x and y be the boy and the girl, respectively. Then:<BR>\n" );
document.write( "x+y/2=14<BR>\n" );
document.write( "Also<BR>\n" );
document.write( "x+2y/3=16<BR>\n" );
document.write( "So:<BR>\n" );
document.write( "x+y=28<BR>\n" );
document.write( "x+2y=48<BR>\n" );
document.write( "y=20<BR>\n" );
document.write( "x=8<BR>\n" );
document.write( "The boy is 8, and the girl, and her twin sister, is 20. &#9786;&#9786;&#9786;&#9786; </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );