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Mathematics, 26.01.2021 02:20 djmccarter

Kori invested $2000, some at 7% per year and the rest at 10%, giving her a total return of $167 per year. How much money did she invest at 7%?

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Kori invested $2000, some at 7% per year and the rest at 10%, giving her a total return of $167 per...
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