Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Percentage changes
Successive percentage increases and decreases
Waste percentage calculation
Tax calculations (IVA)
Formulas
Successive percentage increase formula: P2 = P1 * (1 + x/100) * (1 + y/100)
Successive percentage increase and decrease formula: P2 = P1 * (1 + x/100) * (1 - y/100)
Tile waste calculation: N = 1000 * 100 / (100 - x)
Tax increase formula: New price = p * (1.15 / 1.10)
Theorems
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Suitable Grade Level
Grades 10-12
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