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A grocer mixes a premium blend of coffee worth $17/kg with a coffee blend worth #7/kg. A mixture of 36 kg worth $11/kg is produced. How many kilograms of each type of coffee are included in the mixture?

  • math -

    amount of premium coffee --- x
    amount of cheaper coffee --- 36-x

    17x + 7(36-x) = 11(36)

    solve for x

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