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a reduction of 20% in the price of eggs would enable a man to obtain 6 more for rs 10 what is the original price per dozen of eggs

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3 answers
  1. original cost per egg --- x
    cost per egg after reduction = .8x

    number of eggs for rs 10 at x = 10/x
    number of eggs for rs 10 at .8x = 10/(.8x) = 12.5/x

    12.5/x - 10/x = 6
    2.5x = 6
    x = 6/2.5 = 2.4

    original cost per dozen = 12(2.4) = Rs 28.8

    check my arithmetic

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  2. But answer is 5 can you explain

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  3. 12.5/x-10/x=6
    6x=2.5
    X=2.5/6=0.4166
    Price per dozen
    12*0.4166=4.999 or 5

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