Question

    (5/8 of 480 - 30% of 420)² ÷ (√81 + 25% of 320) =

    ?
    A 324 Correct Answer Incorrect Answer
    B 300 Correct Answer Incorrect Answer
    C 325 Correct Answer Incorrect Answer
    D 340 Correct Answer Incorrect Answer

    Solution

    = ((5/8) × 480 - 0.3 × 420)² ÷ (9 + 0.25 × 320) = (300 - 126)² ÷ (9 + 80) = 174² ÷ 89 = 30276 ÷ 89 = 340.18 Answer: D

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