document.write( "Question 947299: A father is 6 times as old as his son. Three years ago , the father was 9 times as old as his son. His find the present age of each \n" ); document.write( "
Algebra.Com's Answer #577970 by stanbon(75887)\"\" \"About 
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A father is 6 times as old as his son. Three years ago , the father was 9 times as old as his son. His find the present age of each
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\n" ); document.write( "Equations:
\n" ); document.write( "f = 6s
\n" ); document.write( "f-3 = 9(s-3)
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\n" ); document.write( "Substitute for \"f\" and solve for \"s\"::
\n" ); document.write( "6s-3 = 9s - 27
\n" ); document.write( "3s = 24
\n" ); document.write( "s = 8 yrs (son's age)
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\n" ); document.write( "Solve for \"f\"::
\n" ); document.write( "f = 6s
\n" ); document.write( "f = 6*8 = 48 yrs (father's age)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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