The weekly demand for cortisone cream at a major drug store chain in Spokane is 135 units at a price of $3.50 each. If the price is increased to $3.95, the weekly demand falls to 120 units. Assuming that the relationship between the weekly demand, x, and the price per unit, p, is linear     Express p in terms of x How many units would they sell per week if the price were lowered to $3.05 The store has excess inventory and would like to sell 180 units this week. What price should they charge per unit  to meet this goal?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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  1. The weekly demand for cortisone cream at a major drug store chain in Spokane is 135 units at a price of $3.50 each. If the price is increased to $3.95, the weekly demand falls to 120 units. Assuming that the relationship between the weekly demand, x, and the price per unit, p, is linear

 

 

  1. Express p in terms of x
  2. How many units would they sell per week if the price were lowered to $3.05
  3. The store has excess inventory and would like to sell 180 units this week. What price should they charge per unit  to meet this goal?
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