When price of taddy is 10 dollars then it demand is 100 taddy. When price of taddy is 12 dollars then it demand is 140 taddy. Calculate the elasticity of demand.

Essentials of Economics (MindTap Course List)
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ISBN:9781337091992
Author:N. Gregory Mankiw
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Chapter5: Elastic And Its Application
Section: Chapter Questions
Problem 2CQQ: The price of a good rises from 8 to 12, and the quantity demanded falls from 110 to 90 units....
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When price of taddy is 10 dollars then it demand is 100 taddy. When price of taddy is 12 dollars then it demand is 140 taddy. Calculate the elasticity of demand.

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Step 1

Given initial price (P) = $10

Initial quantity (Q) = 100 units

Final price (P1) = $12

Final quantity (Q1) = 140 units

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