document.write( "Question 159900: Twenty years ago Horace was one fifth as old as he is now. How old is he now? \n" ); document.write( "
Algebra.Com's Answer #117913 by vleith(2983)\"\" \"About 
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Let A be his age now
\n" ); document.write( "You are told at \"A-20+=+A%2F5\"
\n" ); document.write( "\"5A+-+100+=+A\"
\n" ); document.write( "\"4A+=+100\"
\n" ); document.write( "\"A+=+25\"
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