Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Percentage Increase
Consumer Price Index (CPI)
Inflation
Formulas
Percentage increase formula: ((New Value - Old Value) / Old Value) * 100
Overall Inflation Rate: (CPI 2018 - CPI 1989) / CPI 1989 * 100
Theorems
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Suitable Grade Level
Grades 11-12, College Level
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