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Math Help - Awkward percentages question

  1. #1
    Member GAdams's Avatar
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    Awkward percentages question

    A shop reduces the price of its dresses by 30%.
    As a result it sells 60% more dresses than last month.

    Calculate the percentage increase in its takings.
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  2. #2
    Super Member Deadstar's Avatar
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    Let n be the number of dresses.
    x be the cost of the dress.

    Last months takings was number of dresses multiplied by the cost of the dress which is nx

    This month the dress has been lowered by 30% so x is now 0.7x
    And they sold 60% more so n becomes n(1 + 0.6)

    So the takings this month is 1.6n multiplied by 0.7x which is 1.12nx which is a 12% increase.
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