document.write( "Question 769390: Eight years ago, Hold was 7 times older than her son. Today, she is exactly 3 times as old as her son.
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Algebra.Com's Answer #468832 by Cromlix(4381)\"\" \"About 
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Hold was 7x older than her son.
\n" ); document.write( "H = 7S
\n" ); document.write( "Eight years later she is exactly
\n" ); document.write( "3 x as old as her son.
\n" ); document.write( "H + 8 = 3(S + 8)
\n" ); document.write( "Replace H with 7S from first equation
\n" ); document.write( "7S + 8 = 3(S + 8)
\n" ); document.write( "7S + 8 = 3S + 24
\n" ); document.write( "4S = 16
\n" ); document.write( "S = 4
\n" ); document.write( "Ages today.
\n" ); document.write( "Son = 12 years old
\n" ); document.write( "Mrs. Hold = 36 years old.
\n" ); document.write( "Hope this helps.
\n" ); document.write( ":-)
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