To identify: How many more consecutive 100% test scores does she need to bring her average up to 95%. It is given that student earns an 82% on her first test.
The number of 100% tests required to get an average of 95% score is 2.6.
Given information:
The given that student earns an 82% on her first test.
Explanation:
Consider the given information.
The average score is Sum of scores divided by the number of tests.
Let x is the required number of 100% test score that she needs.
The total score on these x tests is 100x .
She earned 82 in one test.
Total amount of score in all
Now use the formula of average score.
It is given that the average score must be 95.
Hence, the number of 100% tests required to get an average of 95% score is 2.6.
Chapter 8 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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