Math Problem Statement

请帮我做一个考试成绩预估:这次考试满分是150分,要求全体学生的平均分是105分,那么,优秀线、良好线和合格线,分别是多少分?

Solution

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Math Problem Analysis

Mathematical Concepts

Percentage Calculations
Grading Thresholds

Formulas

Excellent threshold = Total Score * 0.85
Good threshold = Total Score * 0.7
Pass threshold = Total Score * 0.6

Theorems

Percentage Distribution in Grading Systems

Suitable Grade Level

High School