document.write( "Question 864493: Anne earned scores of 15,12,14, and 9 on her first four Spanish quizzes. If Anne wants her mean test score to be 13 after five quizzes,what quiz score must she earn on her fifth quiz \n" ); document.write( "
Algebra.Com's Answer #521023 by rfer(16322)\"\" \"About 
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(15+12+14+9+x)/5=13
\n" ); document.write( "50+x=13*5
\n" ); document.write( "50+x=65
\n" ); document.write( "x=65-50
\n" ); document.write( "x=15
\n" ); document.write( "
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