Using Matrices A stockbroker sold a customer 200 shares of
Chapter 7, Problem 640(choose chapter or problem)
Using Matrices A stockbroker sold a customer 200 shares of stock A, 400 shares of stock B, 600 shares of stock C, and 250 shares of stock D. The price per share of A, B, C, and D is $80, $120, $200, and $300, respectively. (a) Write a matrix N representing the number of shares of each stock the customer bought. (b) Write a matrix P representing the price per share of each stock. (c) Write a matrix product that gives the total cost of the stocks that the customer bought.
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