Math Problem Statement
The usual toll charge is 50 cents. If you purchase a special sticker for $5.50, the toll is only 35 cents. At least how many trips through the tunnel are needed before the sticker costs less than paying for each trip separately?
Solution
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Math Problem Analysis
Mathematical Concepts
Inequalities
Linear Equations
Cost Analysis
Formulas
Total cost without sticker = 0.50x
Total cost with sticker = 5.50 + 0.35x
Inequality: 5.50 + 0.35x < 0.50x
Theorems
Basic Linear Inequality Solving
Suitable Grade Level
Grades 6-8