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Mathematics, 25.07.2019 14:30 Anne4912

An investor has $1100 income from bonds bearing 4% and 5%. if the amounts at 4% and 5% were interchanged, she would earn $50 more per year. find the total sum invested.

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An investor has $1100 income from bonds bearing 4% and 5%. if the amounts at 4% and 5% were intercha...
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