If a student has an average exam score between 70 and 79, he will earn a grade of C in his algebra course. Suppose he has three exam scores of 75, 61, and 85 and that his teacher said the final exam score has twice the weight of the other three exams. What range of scores on the final exam will result in him earning a grade of C?
If a student has an average exam score between 70 and 79, he will earn a grade of C in his algebra course. Suppose he has three exam scores of 75, 61, and 85 and that his teacher said the final exam score has twice the weight of the other three exams. What range of scores on the final exam will result in him earning a grade of C?
Chapter9: Quadratic Equations And Functions
Section9.5: Solve Applications Of Quadratic Equations
Problem 9.76TI: The distance between opposite corners of a rectangular field is four more than the width of the...
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If a student has an average exam score between 70 and 79, he will earn a grade of C in his algebra course. Suppose he has three exam scores of 75, 61, and 85 and that his teacher said the final exam score has twice the weight of the other three exams. What range of scores on the final exam will result in him earning a grade of C?
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