Question

     If the price of sugar increases by 40%, by what

    percentage should a family reduce its sugar consumption so that the family's expenses do not increase?
    A 18(4/7) %. Correct Answer Incorrect Answer
    B 23(4/5) %. Correct Answer Incorrect Answer
    C 28(4/7) %. Correct Answer Incorrect Answer
    D 20(4/9) %. Correct Answer Incorrect Answer

    Solution

    When price increases by r% then consumption is reduced by (r/r+100) ×100% and Expenses will remain the same. r = 40% (increase in price) Reduction in consumption = (40/140) x 100 =400/14 =28(4/7) %.

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