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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?

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?
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1 vote
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?

User Stuart Dines
by
8.0k points

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

User Daulex
by
9.3k points
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