Math Problem Statement

You are choosing between two different cell phone plans. The first plan charges a rate of 25 cents per minute. The second plan charges a monthly fee of $44.95 plus 12 cents per minute. Let be the number of minutes you talk and and be the costs (in dollars) of the first and second plans. Give an equation for each in terms of t, and then find the number of talk minutes that would produce the same cost for both plans.

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Cost Comparison

Formulas

Plan 1: C1(t) = 0.25t
Plan 2: C2(t) = 44.95 + 0.12t

Theorems

Linear Equation Solving

Suitable Grade Level

Grades 8-10