SOLUTION: If $7500 is invested at 6% annual simple interest, how much should be invested at 9% annual simple interest so that the total yearly income from both investments is $882.

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Question 497427: If $7500 is invested at 6% annual simple interest, how much should be invested at 9% annual simple interest so that the total yearly income from both investments is $882.
Answer by lwsshak3(11628) About Me  (Show Source):
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If $7500 is invested at 6% annual simple interest, how much should be invested at 9% annual simple interest so that the total yearly income from both investments is $882.
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let x=$ invested at 9%
..
6%*7500+9%x=882
450+.09x=882
.09x=882-450=432
x=432/.09=4800
Ans:
$4800 should be invested at 9%