document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=394208>Question 394208</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a son is one-half as old as his farther. the sum of their ages is 72 years. what is the age of each? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #279696 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=279696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  a son is one-half as old as his father. the sum of their ages is 72 years. what is the age of each?<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "s = (1/2)f<BR>\n" );
document.write( "s+f = 72<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Substitute for \"s\" and solve for \"f\":<BR>\n" );
document.write( "(1/2)f+f = 72<BR>\n" );
document.write( "(3/2)f = 72<BR>\n" );
document.write( "f = (2/3)72<BR>\n" );
document.write( "f = 48<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Solve for \"s\"<BR>\n" );
document.write( "s = (1/2)f<BR>\n" );
document.write( "s = 24 <BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );