Ms. Field counts chapter tests as 40% of a student’s grade, homework as 20%, quizzes, and classwork as 20%, and final exams at 20%. Lydia has an average of 89 before the final. What score must she get

Ms. Field counts chapter tests as 40% of a student’s grade, homework as

20%, quizzes, and classwork as 20%, and final exams at 20%. Lydia has an
average of 89 before the final. What score must she get correct on the
final to bring her grade up to 90?

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Ms. Field counts chapter tests as 40% of a student’s grade, homework as 20%, quizzes, and classwork as 20%, and final exams at 20%. Lydia has an average of 89 before the final. …

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