If a student achieves 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 77, 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 achieves 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 77, 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?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.6: Problem Solving: Using Charts
Problem 2OE
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If a student achieves 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 77, 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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