document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=372482>Question 372482</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Manuel Anselmo is ten times older than his son, Andrew. In 20 years, Manuel's age will be 4 more than twice Andrew's age. How old was he when Andrew was born? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #265308 by </B><A HREF=/tutors/aboutme.mpl?userid=amoresroy><B>amoresroy(361)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amoresroy><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=amoresroy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=265308\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Manuel Anselmo is ten times older than his son, Andrew. In 20 years, Manuel's age will be 4 more than twice Andrew's age. How old was he when Andrew was born?\r<BR>\n" );
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document.write( "Let a = the age of Andrew now<BR>\n" );
document.write( "  20a = the age of Manuel now<BR>\n" );
document.write( "20a-a = the age of Manuel when Andrew was born\r<BR>\n" );
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document.write( "20a + 20 = 2(a+20) + 4<BR>\n" );
document.write( "20a + 20 = 2a+40 + 4<BR>\n" );
document.write( "     18a = 24<BR>\n" );
document.write( "       a = 4/3<BR>\n" );
document.write( "     20a = 80/3<BR>\n" );
document.write( "   20a-a = (80-4)/3<BR>\n" );
document.write( "         = 76/3 = 25 and 1/3\r<BR>\n" );
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document.write( "Manuel was 25 and 1/3 years old when Andrew was born\r<BR>\n" );
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