document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=996943>Question 996943</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the present ratio between the age of  father and son is 20:1.\r<BR>\n" );
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document.write( "After 6 years the ratio will become 5:1.\r<BR>\n" );
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document.write( "find the present age of father\r<BR>\n" );
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document.write( "A,18 YEARS B, 24 YEARS  C,32 YEARS  D,35 YEARS </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #615206 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=615206\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = age of father<BR>\n" );
document.write( "y = age of son\r<BR>\n" );
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document.write( "Present ratio of father and son = 20:1<BR>\n" );
document.write( "so\r<BR>\n" );
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document.write( "(age of father)/(age of son) = 20/1<BR>\n" );
document.write( "x/y = 20/1<BR>\n" );
document.write( "x/y = 20<BR>\n" );
document.write( "x = 20*y  ... multiply both sides by y\r<BR>\n" );
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document.write( "\"after 6 years, the ratio will become 5:1\", so,\r<BR>\n" );
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document.write( "(x+6)/(y+6) = 5/1<BR>\n" );
document.write( "(x+6)/(y+6) = 5<BR>\n" );
document.write( "x+6 = 5*(y+6)<BR>\n" );
document.write( "20y+6 = 5*(y+6) ... replace x with 20y (see above)<BR>\n" );
document.write( "20y+6 = 5y+30<BR>\n" );
document.write( "20y+6 - 5y = 5y+30-5y ... Subtract 5y from both sides.<BR>\n" );
document.write( "15y+6 = 30<BR>\n" );
document.write( "15y+6-6 = 30-6 ... Subtract 6 from both sides.<BR>\n" );
document.write( "15y = 24<BR>\n" );
document.write( "15y/15 = 24/15 ... Divide both sides by 15.<BR>\n" );
document.write( "y = 24/15<BR>\n" );
document.write( "y = 8/5<BR>\n" );
document.write( "y = 1.6\r<BR>\n" );
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document.write( "Use this value of y to find x<BR>\n" );
document.write( "x = 20*y<BR>\n" );
document.write( "x = 20*1.6 ... replace y with 1.6<BR>\n" );
document.write( "x = 32\r<BR>\n" );
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document.write( "The father is currently 32 years old </SPAN>\n" );
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