Translate the problem to a system of equations, then solve using matrices.A $96,000 trust is to be invested in bonds paying 9%, CDs paying 8%, and mortgages paying 10%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $8790 annual income from the investments, how much should the bank invest in bonds?
A. $15,000
B. $13,000
C. $48,000
D. $33,000
Answer: A
Mathematics
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