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