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    Question

    Find the value of тАШxтАЩ if x% of 600 + {1440 ├╖ x of

    16} ├Ч 8 = 156
    A 15 Correct Answer Incorrect Answer
    B 6 Correct Answer Incorrect Answer
    C 9 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer

    Solution

    x% of 600 + {1440 ├╖ x of 16} ├Ч 8 = 156

    Or, 6x + 720/x = 156

    Or, x2┬атАУ 26x + 120 = 0

    Or, x2┬атАУ 20x тАУ 6x + 120 = 0

    Or, x(x тАУ 20) тАУ 6(x тАУ 20) = 0

    Or, (x тАУ 6)(x тАУ 20) = 0

    Or, x = 6 or x = 20

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