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16-09-2015
Mathematics

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Tanya scored 50 out f 50 points in her last piano playing evaluation. She scored 42, 48, and 45 on previous evaluations. What is the average score of her evaluations?

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16-09-2015

[tex] \frac{50+42+48+45}{4} =\frac{185}{4} = 46.25[/tex]

The average score of her evaluation is 46.25

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