student receives test scores of 62, 83, and 91. The student's term project score is 88 and the homework score is 76. Each test is worth 20% of the final grade, the term project is 15% of the final grade, and the homework grade is 25% of the final grade. What is the student's weighted average score (final grade) in the class? a. 79.4 b. 80.0 c. 81.5 d. 78.2

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