document.write( "Question 461546: a man is thrice as old as his son . Three years ago the man was four times as old as his son. Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #316489 by jorel1380(3719)\"\" \"About 
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m=3n
\n" ); document.write( "m-3=4(n-3)
\n" ); document.write( "3n-3=4n-12
\n" ); document.write( "n=9
\n" ); document.write( "m=27
\n" ); document.write( "The man is 27. His son is 9..
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