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The Quantity Demanded for a Certain Brand of Portable CD

Question 223

Multiple Choice

The quantity demanded for a certain brand of portable CD players is 200 units when the unit price is set at $90. The quantity demanded is 1,200 units when the unit price is $40. Find the demand equation.


A) p = - 0.05x + 90
B) p = - 0.04x + 100
C) p = - 0.04x + 90
D) p = - 0.05x + 100

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