Grilled cheese sandwiches are $4, and the quantity demanded is 60. When the price falls to $3/sandwich, the quantity demanded rises to 80. What is the price elasticity of grilled cheese sandwiches?Widgets are $3, and the quantity demanded is 200. When the price of widgets rises to $5, the quantity demanded falls to 100. What is the price elasticity of demand for widgets?Coffee is $1 per cup, and the quantity demanded is 500. The price of coffee rises to $1.25 per cup, and the quantity demanded falls to 400. What is the price elasticity of demand for cups of coffee?

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ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Grilled cheese sandwiches are $4, and the quantity demanded is 60. When the price falls to $3/sandwich, the quantity demanded rises to 80. What is the price elasticity of grilled cheese sandwiches?
Widgets are $3, and the quantity demanded is 200. When the price of widgets rises to $5, the quantity demanded falls to 100. What is the price elasticity of demand for widgets?
Coffee is $1 per cup, and the quantity demanded is 500. The price of coffee rises to $1.25 per cup, and the quantity demanded falls to 400. What is the price elasticity of demand for cups of coffee?

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