Math Problem Statement
the price of a pen was reduced in two stages. in the first stage was reduced with ten dollars and in the second stage was reduced with ten percent. the final price of the pen is 27 dollars. find the initial price of the pen
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Percentage Calculations
Linear Equations
Formulas
Price after first reduction: P - 10
Price after second reduction: 0.9 × (P - 10)
Final price equation: 0.9 × (P - 10) = 27
Theorems
Basic Percentage Calculation
Suitable Grade Level
Grades 7-9
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