Solve the problem. You are encouraged to use the linear equation solver or your graphing calculator to solve this problem. 11) Linda invests $25,000 for one year. Part is invested at 5%, another part at 6%, and the rest at 11) 8%. The total income from all 3 investments is $1600. The total income from the 5% and 6% investments is equal to the income from the 8% investment. Find the amount invested at each rate