Math Problem Statement

Solution

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Math Problem Analysis

Mathematical Concepts

Addition
Subtraction
Multiplication
Division
Percentages
Cost Calculation
Simple and Compound Interest

Formulas

Total cost = sum of individual costs
Change = amount paid - total cost
Cost for multiple purchases = unit cost × quantity
Interest formula: A = P(1 + r)^t

Theorems

Arithmetic Operations
Percentage Calculation
Simple and Compound Interest

Suitable Grade Level

Grade 5-7