document.write( "Question 565627: The average SAT score of eleven students was 2,ooo. When Mary's score was added to the other eleven scores, the average went up to 2,010. What is the positive difference between her score and the initial average score? \n" ); document.write( "
Algebra.Com's Answer #365919 by ad_alta(240)\"\" \"About 
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Let 'M' be Mary's score. Then (2000*11+M)/(12)=2010. Thus M=2120. The difference is 120. \n" ); document.write( "
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