SOLUTION: Kaleb keeps a record of his algebra quiz scores but forgot to record 1 score. He knows the mean of his 7 quiz scores is 84% and that the quiz scores he recorded are 85%, 79%,92%,81

SOLUTION: Kaleb keeps a record of his algebra quiz scores but forgot to record 1 score. He knows the mean of his 7 quiz scores is 84% and that the quiz scores he recorded are 85%, 79%,92%,81

Algebra.Com

Question 609649: Kaleb keeps a record of his algebra quiz scores but forgot to record 1 score. He knows the mean of his 7 quiz scores is 84% and that the quiz scores he recorded are 85%, 79%,92%,81%,82%, and 79%. What Is Kaleb's missing quiz score?.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
.85+.79+.92+.81+.82+.79+x=.84*7
4.98+x=5.88
x=.90 or 90%
.
Ed

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