document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=267633>Question 267633</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Robert is one-half as old as his father. Twelve years ago, Robert was one-third as old as his father was then. Find their present ages.\r<BR>\n" );
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document.write( "I only got as far as their age now is:\r<BR>\n" );
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document.write( "Robert  = 1/2 x<BR>\n" );
document.write( "Father  =     x\r<BR>\n" );
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document.write( "Twelve years ago:\r<BR>\n" );
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document.write( "Father =  x-12<BR>\n" );
document.write( "Robert =  1/3 (x -12)  ???  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #196345 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=196345\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Robert is one-half as old as his father. Twelve years ago, Robert was one-third as old as his father was then. Find their present ages. <BR>\n" );
document.write( "I only got as far as their age now is:<BR>\n" );
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document.write( "Let Father be 2x yrs old<BR>\n" );
document.write( "Robert is then x yrs old<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "(x-12) = (1/3)(2x-12)<BR>\n" );
document.write( "3x-36 = 2x-12<BR>\n" );
document.write( "x = 24 (Robert's age now)<BR>\n" );
document.write( "2x = 48 (Father's age now)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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document.write( " <BR>\n" );
document.write( "Robert = (1/2) x<BR>\n" );
document.write( "Father = x <BR>\n" );
document.write( "Twelve years ago: <BR>\n" );
document.write( "Father = x-12<BR>\n" );
document.write( "Robert = 1/3 (x -12) ??? <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );