Math Problem Statement
A un producte que val 12 euros se li aplica un descompte de 8 euros. Una setmana més tard se li torna a fer un descompte del 5% i al cap de un mes de li augmenta el preu un 13%. Ha tornat al preu original? Quin ha estat el percentatge final aplicat?
Solution
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Math Problem Analysis
Mathematical Concepts
Percentage Calculations
Discounts and Markups
Basic Arithmetic
Formulas
Final price after discount: P_final = P_initial - (discount percentage × P_initial)
Final price after markup: P_final = P_initial + (markup percentage × P_initial)
Percentage change formula: Percent change = ((P_final - P_initial) / P_initial) × 100
Theorems
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Suitable Grade Level
Grades 6-8
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