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    Question

    The price of an item is first decreased by 30% and then

    increased by 20%. Find the net percentage change in the price.
    A 10% decrease Correct Answer Incorrect Answer
    B 18% increase Correct Answer Incorrect Answer
    C 16% decrease Correct Answer Incorrect Answer
    D 28% increase Correct Answer Incorrect Answer
    E 11% increase Correct Answer Incorrect Answer

    Solution

    Let the price be 100n Final price = 0.70 ├Ч 1.20 ├Ч 100n = 84n Required percentage = [(84n тИТ 100n) ├╖ 100n] ├Ч 100 = 16% decrease

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