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Mathematics, 09.09.2019 10:10 lorrainelopez

An executive invests $22,000 some at 7% ad some at 6% annual interest. if he receives an annual return of $1,420, how much is invested at each rate?

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An executive invests $22,000 some at 7% ad some at 6% annual interest. if he receives an annual retu...
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