SOLUTION: Jenna scored 75, 80, and 92 on her Math quizzes. What is the minimum score she needs on her next quiz to have a mean of 85?

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Question 804327: Jenna scored 75, 80, and 92 on her Math quizzes. What is the minimum score she needs on her next quiz to have a mean of 85?
Answer by erica65404(394) About Me  (Show Source):
You can put this solution on YOUR website!
%2875%2B80%2B92%2Bx%29%2F4=85
%28247%2Bx%29%2F4=85
247%2Bx=340
x=93
Jenna needs to get a score of 93.