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PLEASE HELP! Tamara knows that the arithmetic mean of her five quiz scores is 95%. However, she has misplaced one of these quizzes. The ones she can find have scores of 100%, 100%, 99% and 98%. What is
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PLEASE HELP! Tamara knows that the arithmetic mean of her five quiz scores is 95%. However, she has misplaced one of these quizzes. The ones she can find have scores of 100%, 100%, 99% and 98%. What is her score on the misplaced quiz?

User Pepo
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2 Answers

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Is there a picture to go with this question or this is it
User Yesika
by
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3 votes
78%

Step-by-step explanation:

100+100+99+98+x=397+x

(397+x)/5=95

397+x=475

x=78%
User Zaje
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