A mother wants to invest ?$11,000.00 for her? son's future education. She invests a portion of the money in a bank certificate of deposit? (CD account) which earns? 4% and the remainder in a savings bond that earns? 7%. If the total interest earned after one year is $ 660.00, how much money was invested in the CD? account?
The total interest earned after one year is ?$660.00