document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=850641>Question 850641</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Alvin is 3 years older than his younger sister, Betty.  When Alvin was half the age he is now, Betty was 9 yrs older than half his age at that time.  How old are Alvin and Betty? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #512282 by </B><A HREF=/tutors/aboutme.mpl?userid=hamsanash1981@gmail.com><B>hamsanash1981@gmail.com(151)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=hamsanash1981@gmail.com><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=512282\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let Betty's age be x and Alvins age = x+3 <BR>\n" );
document.write( "When Alvin was half the age , Betty was 9 yrs older than half his age at that time then <BR>\n" );
document.write( "1/2(x+3) = x-9<BR>\n" );
document.write( "x+3 = 2x-18<BR>\n" );
document.write( "x = 21<BR>\n" );
document.write( "Alvins age = 24 and betty's age is 21<BR>\n" );
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