SOLUTION: A mother wants to invest $12000 for her children's education. She invests a portion of the money in a bank certificate of deposit (CD sccount) which earns 4% and the remainder in a

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Question 560198: A mother wants to invest $12000 for her children's education. She invests a portion of the money in a bank certificate of deposit (CD sccount) which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $720, how much money was invested at each rate?
Found 2 solutions by mananth, nunezs1981:
Answer by mananth(16946) About Me  (Show Source):
Answer by nunezs1981(2) About Me  (Show Source):