Suppose that demand and supply of apples are described by the following equations: P = 100 - 3Q  (demand) P = 20 + Q     (supply) a) Calculate the equilibrium quantity.

Brief Principles of Macroeconomics (MindTap Course List)
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ISBN:9781337091985
Author:N. Gregory Mankiw
Publisher:N. Gregory Mankiw
Chapter4: The Market Forces Of Supply And Demand
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Suppose that demand and supply of apples are described by the following equations: P = 100 - 3Q  (demand) P = 20 + Q     (supply) a) Calculate the equilibrium quantity.  

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