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Math 10

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cashew nuts sell for $21.00/kg. Brazil nuts sell for $15.00/k. A distributor sold a total of 120 kg of nuts and Brazil nuts for $2244. What mass of each type of nut was sold?

  • Math 10 - ,

    c + b =120
    21c +1

  • Math 10 - ,

    c + b =120
    21c +15b = 2244

    c = 120-b

    21(120-b ) + 15b = 2244

    2520 -21b + 15b = 2244

    2520 -6b = 2244

    2520-2520 -6b = 2244-2520

    -6b = -276

    b = 46

    c = 120 -46

    c = 74
    Cashew nuts = 74kg
    Brazil nuts = 46kg

  • Math 10 - ,

    Thanks!

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