Math

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A person with no more than $15,000 to invest plans to place the money in two investments. One investment is high-risk, high yield; the other is low risk, low yield. At least $2,000 is to be placed in the high-risk investment. Furthermore, the amount invested at low risk should be at least three times the amount invested at high-risk. Find a system of inequalities that describes all possibilities for placing the money in the high- and low-risk investments.

  • Math -

    let x be high risk investment
    and y be low risk investment
    so x + y < 15000
    y>3x
    x> 2000

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