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Posted by on Thursday, December 8, 2011 at 11:39pm.

A store mixes Brazilian coffee worth $11 per Kilogram, Turkish coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Can you help me find how much of each should be used to make a 564- Kilogram of both mixtures please and thank you.

  • math - , Friday, December 9, 2011 at 7:28am

    Let the amounts be B and T kilograms.

    B + T = 564

    11 B + 13 T = 12(B + T) = 6768
    11 B + 11 T = 6204
    2 T = 564
    T = 282
    B = 282
    (equal amounts of each)

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