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Mathematics, 21.08.2019 06:30 july00

Tanya scored 50 out f 50 points in her last piano playing evaluation. she scored 42, 48, and 45 on previous evaluations. what score does she need on the next evaluation to have an average score of 45?

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Tanya scored 50 out f 50 points in her last piano playing evaluation. she scored 42, 48, and 45 on p...
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