algebra

Emily wants to buy turquoise stones on her trip to New MExico to give to at least 4 of her friends. The gift shop sells stones for either $4 or $6 per stone. Emily has no more than $30.

What are the system of inequalities so I could be able to graph them?

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  1. let the number of cheap stones be x
    let the number of more expensive stones by y

    4x + 6y <= 30
    x + y >= 4

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  2. jaj

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  3. 55

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