Math Problem Statement

Resolva de forma direta e em português (Brasil), esse exercício na imagem

Solution

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Math Problem Analysis

Mathematical Concepts

Linear Functions
Cost Calculations
Piecewise Functions

Formulas

Cost for exceeding minutes = (total minutes - 100) * 0.08
Total cost = 34.50 + cost for exceeding minutes

Theorems

Piecewise function definition

Suitable Grade Level

Grades 8-10