Math Problem Statement
Suppose the demand for a certain brand of sandals is given by the equation Q= 1000 - 20P , where Q is the quantity demanded and P is the price. Calculate the own-price elasticity of demand if the price declines from $30 to $25. Please round your answer to 2 decimal places.
Solution
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Math Problem Analysis
Mathematical Concepts
Elasticity of Demand
Percentage Change
Algebra
Formulas
PED = (% Change in Quantity Demanded) / (% Change in Price)
Q = 1000 - 20P
% Change in Quantity Demanded = (ΔQ / Q1) * 100
% Change in Price = (ΔP / P1) * 100
Theorems
Elasticity of Demand Theory
Suitable Grade Level
Grades 10-12
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