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3. Sylvia invested a total of $40,000. She invested part of the money in a certificate of deposit (CD) that earns 2% simple interest per year. She invested in a stock that returns the equivalent of 8% simple interest, and she invested in a bond fund that returns 5%. She invested twice as much in the stock as she did in the CD, and earned a total of $2300 at the end of 1 yr. Write the system of equations to model this problems. Using x, y, z to represent the amount she put in each of the three investments. Do not need to solve the system.

3. Sylvia invested a total of $40,000. She invested part of the money in a certificate of deposit (CD) that earns 2% simple interest per year. She invested in a stock that returns the equivalent of 8% simple interest, and she invested in a bond fund that returns 5%. She invested twice as much in the stock as she did in the CD, and earned a total of $2300 at the end of 1 yr. Write the system of equations to model this problems. Using x, y, z to represent the amount she put in each of the three investments. Do not need to solve the system.

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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4. For the following 3 matrices: A = 3. Sylvia invested a total of $40,000. She invested part of the money in a certificate of deposit (CD) that earns 2% simple interest per year. She invested in a stock that returns the equivalent of 8% simple interest, and she invested in a bond fund that returns 5%. She invested twice as much in the stock as she did in the CD, and earned a total of $2300 at the end of 1 yr. Write the system of equations to model this problems. Using x, y, z to represent the amount she put in each of the three investments. Do not need to solve the system. 6 Find 2B. B- -9 2 6.2 2 √8 C= D= 27 al 23
Transcribed Image Text:4. For the following 3 matrices: A = 3. Sylvia invested a total of $40,000. She invested part of the money in a certificate of deposit (CD) that earns 2% simple interest per year. She invested in a stock that returns the equivalent of 8% simple interest, and she invested in a bond fund that returns 5%. She invested twice as much in the stock as she did in the CD, and earned a total of $2300 at the end of 1 yr. Write the system of equations to model this problems. Using x, y, z to represent the amount she put in each of the three investments. Do not need to solve the system. 6 Find 2B. B- -9 2 6.2 2 √8 C= D= 27 al 23
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