document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=642856>Question 642856</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a man is 27 years older than his son and 10 years from now, he will be twice as old as his son. how old is the man now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #404252 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=404252\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a man is 27 years older than his son and 10 years from now, he will be twice as old as his son. how old is the man now?<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "f = s + 27<BR>\n" );
document.write( "f+10 = 2(s+10)<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Substitute and solve for \"f\":<BR>\n" );
document.write( "s+27 + 10 = 2s + 20<BR>\n" );
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document.write( "s + 37 = 2s + 20<BR>\n" );
document.write( "s = 17 (Son's age now)<BR>\n" );
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document.write( "Solve for \"f\":<BR>\n" );
document.write( "f = s + 27<BR>\n" );
document.write( "f = 17+27 = 44 (Dad's age now)<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );