The weekly sales of Honolulu Red Oranges is given by  q = 840 − 20p.  Calculate the price elasticity of demand when the price is $28 per orange (yes, $28 per orange†).   Interpret your answer. The demand is going     by  % per 1% increase in price at that price level. Also, calculate the price that gives a maximum weekly revenue. $  Find this maximum revenue. $

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
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Chapter2: Functions And Graphs
Section2.3: Linear Functions And Slope
Problem 105E
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The weekly sales of Honolulu Red Oranges is given by 
q = 840 − 20p.
 Calculate the price elasticity of demand when the price is $28 per orange (yes, $28 per orange†).
 
Interpret your answer.
The demand is going     by  % per 1% increase in price at that price level.
Also, calculate the price that gives a maximum weekly revenue.
Find this maximum revenue.
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