document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=694087>Question 694087</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kelly's sister is 5 years younger than double Kelly's age. If the sum of their ages is sixteen how old is Kelly's sister? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427720 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=427720\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Kelly's sister is 5 years younger than double Kelly's age. If the sum of their ages is sixteen how old is Kelly's sister?<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "s = 2k-5<BR>\n" );
document.write( "s + k = 16<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Substitute for \"s\" and solve for \"k:<BR>\n" );
document.write( "2k-5+k = 16<BR>\n" );
document.write( "3k = 11<BR>\n" );
document.write( "kelly = 11/3 3 yrs 8 months<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "Solve for \"s\":<BR>\n" );
document.write( "s = 2k-5<BR>\n" );
document.write( "s = 22/3 - 15/3<BR>\n" );
document.write( "--<BR>\n" );
document.write( "sister's age = 7/3 = 2yrs 4 months<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );