Math Problem Statement

yがxに反比例している。xの値が20%減少すると、yの値は何%増加するか。

Solution

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Math Problem Analysis

Mathematical Concepts

Inverse Proportionality
Percentage Change

Formulas

y = k / x
Percentage increase = (New value - Original value) / Original value * 100

Theorems

Inverse Proportion

Suitable Grade Level

Grades 9-12