math

fatima bought 1200 eggs at rs.16 a dozen. At what price per hundred must she sell the eggs so as to earn a profit of 15%. plz its urgent very very urgent try to solve soon.....

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  1. his cost price = rs 16
    so his selling price should be 1.15(16)
    or rs 18.4 per dozen.
    But you want the selling price per hundred

    so :

    18.4/12 = x/100
    x = 100(18.4)/12 = 153.333...

    (notice the fact that he bought 1200 eggs did not enter the calculation)

    check:
    cost price per dozen = 16
    selling price per dozen = 18.4
    percentage change = 18.4/16 = 1.15 ---> 15% increase

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  2. c.p of eggs per dozen=rs 16
    s.p of eggs per dozen= c.p + profit
    = rs 16 + 0.15*16
    = rs 16 + 2.4
    = rs 18.4
    But you want the selling price per hundred
    so :

    18.4/12 = x/100
    x = 100(18.4)/12 = 153.333...

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    2. 👎 5

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