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    Question

    What is the value of x? 0.064 x

    0.47 = 0.4x x (0.0256)2 ` `
    A 7 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D 5 Correct Answer Incorrect Answer

    Solution

    0.064 x 0.47 = 0.4x x (0.0256)2 0.43 x 0.47 = 0.4x x (0.44)2 0.43 x 0.47 = 0.4x x 0.48 (0.43 x 0.47)/(0.48) = 0.4x 0.4((3 + 7 - 8)) = 0.4x Hence, x = 2 ` `

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