A Man Invests a Total Of $\$ 21,000$ In Two Accounts, One Paying

question 138

Essay

A man invests a total of $\$ 21,000$ in two accounts, one paying $5.5 \%$ simple interest per year and the other paying $8.5 \%$ simple interest per year. His annual interest from both accounts is $$\$ 1$$ , $280$ . How much did he invest at each rate?

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Economy

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