3 years ago

karen has taken 4 science quizzes. her scores where 72,80,84, and 92. what minimum score must she get on her next quiz to have a

n average score of at least 84? A. 82 B. 84 C.92 D.95

1 answer:

7 0

$Ave = \frac{72+80+84+92+x}{5} = 84$
$328+x=420$
$x=92$

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