Concept explainers
Calculate minimum score obtained by Tobias’ on his sixth quiz to maintain overall average.
Answer to Problem 50SR
Tobias has to obtain 98 on sixth quiz to maintain his average.
Explanation of Solution
Given:
Average of 5 quiz = 86
Required average of six quizzes=88
Calculations:
Here, we have to calculate the score of sixth quiz required to maintain overall average of 88.
Average of 5 quiz = 86,
This we can write as,
Suppose, y be the score in sixth quiz,
Thus,
Conclusion:
Therefore, we are able to simplify given condition to find out sixth quiz score to maintain average of 88.
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