document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1200739>Question 1200739</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the Fathers age is 5 times his son's age. 4 years back the father was 9 times older than son. what is the fathers 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 #834948 by </B><A HREF=/tutors/aboutme.mpl?userid=kiks><B>kiks(2)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=kiks><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=kiks><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=834948\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x be the son's age.<BR>\n" );
document.write( "s= x<BR>\n" );
document.write( "f= 5x\r<BR>\n" );
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document.write( "4 years ago, the father's age would have been<BR>\n" );
document.write( "f-4 and it also would have been 9(x-4).\r<BR>\n" );
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document.write( "This will give you the equation: f-4 = 9(x-4)<BR>\n" );
document.write( "- Substitute 'f' for 5x as shown above to give you your final equation: 5x-4 = 9(x-4)\r<BR>\n" );
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document.write( "4x = 32<BR>\n" );
document.write( "x= 8<BR>\n" );
document.write( " 8 is the son's age now because it is equal to x and 5x8 is equal to the father's age now.<BR>\n" );
document.write( "FINAL ANSWER: The father's current age is 40.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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