document.write( "Question 252988: jerome's father is three times as old as jerome. Four years ago, he was five times as old. find the age of jerome and his father.
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Algebra.Com's Answer #185188 by richwmiller(17219)\"\" \"About 
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f=3j
\n" ); document.write( "(f-4)=5*(j-4)
\n" ); document.write( "substitute 3j for f
\n" ); document.write( "3j-4=5*(j-4)
\n" ); document.write( "3j-4=5j-20
\n" ); document.write( "add 20
\n" ); document.write( "3j+16=5j
\n" ); document.write( "subtract 3j
\n" ); document.write( "16=2j
\n" ); document.write( "j=8
\n" ); document.write( "f=24
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