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2. Last year, the NKU bookstore sold 100 long sleeve t-shirts, 200 short sleeve t-shirts, and 50 tank tops at the on-campus location. In addition, 60 long sleeve t-shirts, 150 short sleeve t-shirts, and 20 tank tops were purchased online from the NKU bookstore. Long sleeve t-shirts sell for $50 each, short sleeve t- shirts sell for $30 each, and tank tops sell for $20 each. a. Create a sales matrix and a price matrix to show how matrix multiplication may be used to compute the total revenue for shirts sold at the NKU bookstore last year. b. Multiply the matrices to determine the total revenue at the on-campus store and the online store.

2. Last year, the NKU bookstore sold 100 long sleeve t-shirts, 200 short sleeve t-shirts, and 50 tank tops at the on-campus location. In addition, 60 long sleeve t-shirts, 150 short sleeve t-shirts, and 20 tank tops were purchased online from the NKU bookstore. Long sleeve t-shirts sell for $50 each, short sleeve t- shirts sell for $30 each, and tank tops sell for $20 each. a. Create a sales matrix and a price matrix to show how matrix multiplication may be used to compute the total revenue for shirts sold at the NKU bookstore last year. b. Multiply the matrices to determine the total revenue at the on-campus store and the online store.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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undefined, explain how you know. a. АВ b. AC С. ВТ d. A-C 2. Last year, the NKU bookstore sold 100 long sleeve t-shirts, 200 short sleeve t-shirts, and 50 tank tops at the on-campus location. In addition, 60 long sleeve t-shirts, 150 short sleeve t-shirts, and 20 tank tops were purchased online from the NKU bookstore. Long sleeve t-shirts sell for $50 each, short sleevet- shirts sell for $30 each, and tank tops sell for $20 each. a. Create a sales matrix and a price matrix to show how matrix multiplication may be used to compute the total revenue for shirts sold at the NKU bookstore last year. b. Multiply the matrices to determine the total revenue at the on-campus store and the online store. 3. Carefully define each variable and set up the appropriate system of equations to answer the problem below. (Do NOT solve the system.) Michael plans to invest $50,000 in three mutual funds: a money-market fund, a blue-chip stock fund, and a high-tech stock fund. His financial advisor estimates that the money-market fund will return 5% over the next year, the blue-chip fund 9%, and the high-tech fund 16%. Jason wants a total of first-year return of $4000. To avoid excessive risk, he decides to invest three times as much money in the money-market
Transcribed Image Text:undefined, explain how you know. a. АВ b. AC С. ВТ d. A-C 2. Last year, the NKU bookstore sold 100 long sleeve t-shirts, 200 short sleeve t-shirts, and 50 tank tops at the on-campus location. In addition, 60 long sleeve t-shirts, 150 short sleeve t-shirts, and 20 tank tops were purchased online from the NKU bookstore. Long sleeve t-shirts sell for $50 each, short sleevet- shirts sell for $30 each, and tank tops sell for $20 each. a. Create a sales matrix and a price matrix to show how matrix multiplication may be used to compute the total revenue for shirts sold at the NKU bookstore last year. b. Multiply the matrices to determine the total revenue at the on-campus store and the online store. 3. Carefully define each variable and set up the appropriate system of equations to answer the problem below. (Do NOT solve the system.) Michael plans to invest $50,000 in three mutual funds: a money-market fund, a blue-chip stock fund, and a high-tech stock fund. His financial advisor estimates that the money-market fund will return 5% over the next year, the blue-chip fund 9%, and the high-tech fund 16%. Jason wants a total of first-year return of $4000. To avoid excessive risk, he decides to invest three times as much money in the money-market
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