CPM Homework Help : GB8I Problem 11-47

Marius invests $$10,000$ in stocks and bonds, paying $3\%$ and $5\%$ annual interest, respectively. If the total interest Marius earned for the year is $$430$ , how much was invested in stocks and how much was invested in bonds?

Hint 1:

Let $x =$ the amount of money invested at 3% and $y =$ the amount of money invested at $5\%$ . Write expressions that represent the amount of interest earned on each type of account.

Hint 2:

Write a system of equations: one equation will be for the total amount of money invested $($10,000)$ the other equation will represent the interest $($430)$ .