9.Use a system of two equations in two variables to solve the problem.
A state employees' pension fund invested a total of one million dollars in two accounts that earned 3.5% and 4.5% annual simple interest. At the end of the year, the total interest earned from the two investments was $39,000. How much was invested at each rate?
$
at 3.5%
$
at 4.5%
10.Write a system of two equations in two variables to solve the problem.
In investing $6,100 of a couple's money, a financial planner put some of it into a savings account paying 6% annual simple interest. The rest was invested in a riskier mini-mall development plan paying 12% annual simple interest. The combined interest earned for the first year was $570. How much money was invested at each rate?
6% annual interest
$
12% annual interest
$
9.Use a system of two equations in two variables to solve the problem.
A state employees' pension fund invested a total of one million dollars in two accounts that earned 3.5% and 4.5% annual simple interest. At the end of the year, the total interest earned from the two investments was $39,000. How much was invested at each rate?
| $ | at 3.5% |
| $ | at 4.5% |
10.Write a system of two equations in two variables to solve the problem.
In investing $6,100 of a couple's money, a financial planner put some of it into a savings account paying 6% annual simple interest. The rest was invested in a riskier mini-mall development plan paying 12% annual simple interest. The combined interest earned for the first year was $570. How much money was invested at each rate?
| 6% annual interest | $ |
| 12% annual interest | $ |
