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Math

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For $4.50 a grocer buys a case of fruit which contains 14 dozen. She knows that 4 dozen will spoil before she sells them. At what price per dozen must she sell the good ones to gain 1/3 of the whole cost?
is there any quick way to do this question.
please respond.

  • Math - ,

    (1/3) * $4.50 = $1.50. = Income.

    P = $1.50 / (14-4) = $0.15 / doz.

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