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Rita has scored 81, 58, and 95 on her previous three tests. What score does she need on her next test so that her average (mean) is 82?

1 Answer

6 votes

Answer:

94

Explanation:

Let the score she needs be x. Then,


(81+58+95+x)/(4)=82 \\ \\ 234+x=328 \\ \\ x=94

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