In: Math
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% |
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.