MATH (Algebra)

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All-mixed-up nut shop sells mix consisting of cashews and pistachios. how many pounds of cashews, which sell for $7 per pound , should be mixed with 4 pounds of pistachios which sell for $4 per pound to get a mix of $5 per pound?

  • MATH (Algebra) -

    7c + 4(4) = 5(c+4)
    c = 2

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