document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101730>Question 1101730</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Rob is 21 years old, angie is twice as old as Rob was when Angie was old as Rob is now, how old is angie? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #716332 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=716332\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Rob is 21 years old, angie is twice as old as Rob was when Angie was old as Rob is now, how old is angie? <BR>\n" );
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document.write( "Assume the constant difference in their ages is \"x\".<BR>\n" );
document.write( "A = 2(21-x) where A-R = x<BR>\n" );
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document.write( "So, A = 42-2x<BR>\n" );
document.write( "A = 42 - 2(A-R)<BR>\n" );
document.write( "A = 42 - 2A + 2R<BR>\n" );
document.write( "3A = 42+2(21) = 84<BR>\n" );
document.write( "A = 28 yrs (Angie's age now)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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