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  1. M

    hard problem solving algebra question

    i am so lost a shopkeeper marks up the cost price by x% to determine the selling price. when the item doesn't sell, he decides to reduce the selling price by x%. his assistant remarks "its a pity that well be making a loss of 2.25% on that item". assuming the assistant is correct, find the value...
  2. M

    4 unit maths

    is extension 2 maths much harder when compared to extension 1 prelim maths. are the topics topics hard to understand
  3. M

    study breaks

    how long do you study before you have a brake? just curious
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