document.write( "Question 516135: A man is 20years older than his son. If the ratio of their ages is 3:8, how old is the son?\r
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Algebra.Com's Answer #344257 by scott8148(6628)\"\" \"About 
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m = s + 20\r
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\n" ); document.write( "\n" ); document.write( "3m = 8s\r
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\n" ); document.write( "\n" ); document.write( "substituting ___ 3(s + 20) = 8s ___ 3s + 60 = 8s
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