Math
posted by Shani .
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.

(1/3) * $4.50 = $1.50. = Income.
P = $1.50 / (144) = $0.15 / doz.
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