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Mathematics, 22.09.2021 23:00 sunpelt9993

Katie invested a total of $8000, part at 2% simple interest and part at 3% simple interest. At the end of 1 year, the investments had earned $216 interest. How much was invested at each rate?

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Katie invested a total of $8000, part at 2% simple interest and part at 3% simple interest. At the e...
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