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Different Interest Rates. Mrs. Brighton invested \$30,000 and received a total of \$2300 in interest. If she invested part of the money at 10% and the remainder at 5%, then how much did she invest at each rate?

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\$30,000 Total

She invested \$16,000 x .10 = \$1600

She invested \$14,000 x .05% = \$700

\$1600 +\$700 = \$2300

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