document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=833570>Question 833570</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In 10 years, a man will be 3 times as old as his son is now. If the son's present age is x years, find the father's present age. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502656 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=502656\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can't solve this fully without an actual value, but here's the way to do it.<BR>\n" );
document.write( "Let m be dad and x be son<BR>\n" );
document.write( "m+10 = 3x<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let's say the son is 12.<BR>\n" );
document.write( "m+10 = 3*12<BR>\n" );
document.write( "m = 36-10 or 26 (highly improbable!)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "The son is more likely older; let's say 20<BR>\n" );
document.write( "m+10 = 60<BR>\n" );
document.write( "m = 60 - 10 = 50<BR>\n" );
document.write( "That makes more sense. </SPAN>\n" );
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