Mathematics, 13.12.2020 04:00 jlugo1441

The Hayes family has invested $10,000.Part of the money is invested at a 5% rate of return and the remainder at 7%. If the total income from these investments is $540, how much is invested at each rate? (Income from an investment is the product of the rate of return and the amount invested.)

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The Hayes family has invested $10,000.Part of the money is invested at a 5% rate of return and the r...