SOLUTION: 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 qu
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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
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(15+12+14+9+x)/5=13
50+x=13*5
50+x=65
x=65-50
x=15
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