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Mathematics, 27.01.2020 00:31 jcastronakaya

Sally has $40,000 to invest some money at 9% interest and the rest at 11%. if her total annual income from these two investments is $4,300, how much does she invest at

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Sally has $40,000 to invest some money at 9% interest and the rest at 11%. if her total annual incom...
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