Mathematics, 26.07.2021 22:30, keith1577621

Last year, Singh had $20,000 to invest. He invested some of it in an account that paid 7% simple interest per year, and he invested the rest in an account that paid 6% simple interest per year. After one year, he received a total of $1280 in interest. How much did he invest in each account?

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Last year, Singh had $20,000 to invest. He invested some of it in an account that paid 7% simple int...