Concept explainers
Overall average
Thus, to get a grade of “A” Amy’s overall average needs to be over 90%. This can be written in the form of inequalities as follows,
The range of grades that Amy needs on her final exam to secure a “B” grade in her class
Thus, to get a grade of “B” Amy’s overall average needs to be at least 80% but less than 90%. This can be written in the form of inequalities as follows,
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