Recall the left coast bookstore chain from the preceding section. In January it sold 700 hardcover books, 1300 softcover books, and 2000 plastic books in san Francisco; it sold 400 hardcover, 300 softcover, and 500 plastic books in los angeles. Now hardcover books sell for $30 each, softcover books sell for $10 each, and plastic books sell for $15 each. Write a column matrix with the price data and show how matrix multiplication (using the sales and price data matrices) may be used to compute the total revenue at the two stores
Recall the left coast bookstore chain from the preceding section. In January it sold 700 hardcover books, 1300 softcover books, and 2000 plastic books in san Francisco; it sold 400 hardcover, 300 softcover, and 500 plastic books in los angeles. Now hardcover books sell for $30 each, softcover books sell for $10 each, and plastic books sell for $15 each. Write a column matrix with the price data and show how matrix multiplication (using the sales and price data matrices) may be used to compute the total revenue at the two stores
Chapter4: Systems Of Linear Equations
Section4.5: Solve Systems Of Equations Using Matrices
Problem 4.78TI: Perform the indicated operations on the augmented matrix: (a) Interchange rows 1 and 2, (b) Multiply...
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Recall the left coast bookstore chain from the preceding section. In January it sold 700 hardcover books, 1300 softcover books, and 2000 plastic books in san Francisco; it sold 400 hardcover, 300 softcover, and 500 plastic books in los angeles. Now hardcover books sell for $30 each, softcover books sell for $10 each, and plastic books sell for $15 each. Write a column matrix with the price data and show how matrix multiplication (using the sales and price data matrices) may be used to compute the total revenue at the two stores.
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