Math Problem Statement

Solution

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Math Problem Analysis

Mathematical Concepts

Percentage
Tax Calculation
Arithmetic

Formulas

Total cost = 11.99 + 35.50 + 6.75 + 3.00
Tax = Total cost * (Tax Rate / 100)
Tax Difference = Tax in Jen's city - Tax in the other city

Theorems

Percentage calculation theorem

Suitable Grade Level

Grades 5-7