At a unit price of $625, the quantity demanded of a certain commodity is 75 pounds. If the unit price increases to $765, the quantity demanded decreases by 28 pounds. Find the demand equation (assuming it is linear) where p is the unit price and x is the quantity demanded for this commodity in pounds.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.3: Lines
Problem 92E
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At a unit price of $625, the quantity demanded of a certain commodity is 75 pounds. If the unit price increases to $765, the quantity demanded decreases by 28 pounds. Find the demand equation (assuming it is linear) where p is the unit price and x is the quantity demanded for this commodity in pounds.

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