Math Problem Statement

Aは、所持金の30%にあたる4800円で本を買って、残りの 半分を貯金した。貯金額はいくらか。

Solution

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Math Problem Analysis

Mathematical Concepts

Percentages
Basic Algebra
Proportional Relationships

Formulas

0.3x = 4800
x = 4800 / 0.3
Remaining money = 0.7 * Total Money
Savings = Remaining money / 2

Theorems

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Suitable Grade Level

Grades 6-8