document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=661464>Question 661464</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the age of two sisters is 42.  The second sister is three more than twice the first.<BR>\n" );
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document.write( "Find the age of the OLDER sister.  Just give the age - do not include units.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #411622 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=411622\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of the age of two sisters is 42. The second sister is three more than twice the first.\r<BR>\n" );
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document.write( "Find the age of the OLDER sister. Just give the age - do not include units.<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "x + y = 42<BR>\n" );
document.write( "y = 2x + 3<BR>\n" );
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document.write( "Substitute for \"y\" and solve for \"x\":<BR>\n" );
document.write( "x + 2x+3 = 42<BR>\n" );
document.write( "3x = 39<BR>\n" );
document.write( "x = 13 yrs (younger sister)<BR>\n" );
document.write( "Solve for \"y\":<BR>\n" );
document.write( "y = 2x+3 = 2*13+3 = 29 yrs (older sister)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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