Lucas scored 75, 78, 82, and 84 on his four algebra tests. There is one test remaining in the grading period. Lucas’s homework average is 95. His teacher will count each test score and the homework average as one-sixth of Lucas’s final grade
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Lucas scored 75, 78, 82, and 84 on his four algebra tests. There is one test remaining in the grading period. Lucas’s homework average is 95. His teacher will count each test score and the homework average as one-sixth of Lucas’s final grade. Write an equation to determine the score that Lucas must attain on his remaining test to have a final grade of exactly 80.
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