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A​ student's course grade is based on one midterm that counts as 15​% of his final​ grade, one class project that counts as 15​% of his final​ grade, a set of homework assignments that counts as 40​% of his final​ grade, and a final exam that counts as 30​% of his final grade. His midterm score is 73​, his project score is 97​, his homework score is 81​, and his final exam score is 68. What is his overall final​ score? What letter grade did he earn​ (A, B,​ C, D, or​ F)? Assume that a mean of 90 or above is an​ A, a mean of at least 80 but less than 90 is a​ B, and so on.

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  1. final course grade = (.15 * 73) + (.15 * 97) + (.40 * 81) + (.30 * 68)

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