Suppose that a store decreases the price of laundry detergent from $4.10 to $3.50. As a result, quantity demanded increases from 210 to 230. 1. Using the mid-point approach, calculate the percentage change in price.

Exploring Economics
8th Edition
ISBN:9781544336329
Author:Robert L. Sexton
Publisher:Robert L. Sexton
Chapter4: Demand, Supply, And Market Equilibrium
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Suppose that a store decreases the price of laundry detergent from $4.10 to $3.50. As a result, quantity demanded increases from 210 to 230.



1. Using the mid-point approach, calculate the percentage change in price.

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