HARMATHAP $121\mathrm{.}5\mathrm{.}037.$MI$.$

One safe investment pays $10\%$ per year, and a more risky investment pays $18\%$ per year, A woman who has $$139,600$ to invest would like to have an income of $$18,920$ per year from he investments. How much should she invest at each rate?

$10\%$

$18\%$

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