Jade has $24,500 to invest. She decides to divide itinto the three accounts listed. At the end of the year, she hasearned $1,300 in interest. If the amount invested in Hanes Oil wasfour times the amount of money invested in Gary Games, how much didJade invest in each account?
Company | Yield |
Hanes Oil | 4% |
Gary Games | 5.5% |
Audrey Fragrances | 6% |
Write down the system of equations describing thissituation. Be sure to define the variables.
b) State the matrix for this system ofequations.
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 theseresults.