document.write( "Question 756501: the total ages of three x,y,z is 80 years. what was the total of their ages 3 years ago? \n" ); document.write( "
Algebra.Com's Answer #460221 by Alan3354(69443)\"\" \"About 
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the total ages of three x,y,z is 80 years. what was the total of their ages 3 years ago
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