document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=723268>Question 723268</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boy is twice as old as his sister, and half as old as their father. In 50 years,  his sister will be as old as their father. How old is the boy now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443091 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=443091\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A boy is twice as old as his sister, and half as old as their father. In 50 years, his sister will be as old as their father. How old is the boy now?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=boy's age now<BR>\n" );
document.write( "x/2=sister's age now<BR>\n" );
document.write( "2x=father's age now<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x/2+50=2x<BR>\n" );
document.write( "1.5x=50<BR>\n" );
document.write( "x=33-1/3<BR>\n" );
document.write( "boy's age now=33-1/3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );