document.write( "Question 897757: A man is seven times as old as his son. Ten years from now, he will be three times as ols as his son. How old is he now?
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Algebra.Com's Answer #544293 by richwmiller(17219)\"\" \"About 
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f+10=3*(s+10)
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\n" ); document.write( "7*s+10=3*s+30
\n" ); document.write( "4s=20
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\n" ); document.write( "f=35
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