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In: Math

Jade has $24,500 to invest. She decides to divide it into the three accounts listed. At...

  1. Jade has $24,500 to invest. She decides to divide it into the three accounts listed. At the end of the year, she has earned $1,300 in interest. If the amount invested in Hanes Oil was four times the amount of money invested in Gary Games, how much did Jade invest in each account?

Company

Yield

Hanes Oil

4%

Gary Games

5.5%

Audrey Fragrances

6%

  1. Write down the system of equations describing this situation. Be sure to define the variables.




b) State the matrix for this system of equations.






c) Write down the reduced-row echelon form (i.e., the “answer matrix”) given by your calculator.







d) Explain in 1-2 sentences the meaning of these results.

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