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?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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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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