College Algebra System Of Equation Question
Set up a system of equations and then solve using inverse matrics.
An investor has found two investment that he wants to invest in. The first one pays 10% per year and a more risky investment pays 20% per year. He has $39,000 to invest and would like an annual income of $6,600.00 per year from his investments.
The amount invested at 10% is $ 12000
but i cant find out what The amount invested at 20% is