document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=52521>Question 52521</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boy is 4 years old and his sister is three times as old as he is. When the boy is 12 years old, how old will his sister be? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #35067 by </B><A HREF=/tutors/aboutme.mpl?userid=darq><B>darq(90)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=darq><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=darq><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=35067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if boy is x years old than her sister is 3x years old.<BR>\n" );
document.write( "x=4<BR>\n" );
document.write( "3x=3*4=12\r<BR>\n" );
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document.write( "to find how many years had passed away when he became 12 subtract his current age from 12.\r<BR>\n" );
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document.write( "12-4=8\r<BR>\n" );
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document.write( "if 8 years had passed add 8 years to sister's current age to find the answer.\r<BR>\n" );
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document.write( "12+8=20 is the answer </SPAN>\n" );
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