Solving a tax rate or interest rate problem using a system of linear equations:

O SYSTEMS OF EQUATIONS AND MATRICES Solving a tax rate or interest rate problem using a system of lin... Last year, Jim had $30,000 to invest. He invested some of it in an account that paid 8% simple interest per year, and he invested the rest in an account that paid 6% simple interest per year. After one year, he received a total of $2300 in interest. How much did he invest in each account? First account: X ? Second account: $