document.write( "Question 1147928: Xavier and Yifei have been married for exactly 37 years. Yifei is four years older than Xavier. The sum of their ages is 120. How old was Yifei when they were married? \n" ); document.write( "
Algebra.Com's Answer #769275 by MathTherapy(10552)\"\" \"About 
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Xavier and Yifei have been married for exactly 37 years. Yifei is four years older than Xavier. The sum of their ages is 120. How old was Yifei when they were married?
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Correct answer: Yifel was 25 when they got married! \n" );
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