Question

    If x : y = 3 : 4, then (7x – 4y) : (3x + 2y) = ?

    A 1 : 4 Correct Answer Incorrect Answer
    B 1 : 3 Correct Answer Incorrect Answer
    C 2 : 7 Correct Answer Incorrect Answer
    D 5 : 17 Correct Answer Incorrect Answer

    Solution

    x: y = 3 : 4, then (7x – 4y) : (3x + 2y) x=3, y=4 = (7×3 – 4×4) : (3×3 + 2×4) = 5 : 17

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