Math Problem Statement

A成分の中に20%程含有、更に20%(50mg)の中の5%(???mg)がB の場合の話

Solution

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Math Problem Analysis

Mathematical Concepts

Percentage
Proportions

Formulas

Percentage calculation: (Part/Whole) * 100 = Percentage
Proportion calculation: Part = Whole * Percentage

Theorems

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Suitable Grade Level

Grades 6-8