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      Question

      Simplify the following

      expression: 144 ÷ [84 - 3 × {75% of 80 - 40% of 90}]
      A 8 Correct Answer Incorrect Answer
      B 10 Correct Answer Incorrect Answer
      C 12 Correct Answer Incorrect Answer
      D 14 Correct Answer Incorrect Answer

      Solution

      144 ÷ [84 - 3 × {75% of 80 - 40% of 90}]

      = 144 ÷ [84 - 3 × {60 - 36}]

      = 144 ÷ [84 - 3 × 24]

      = 144 ÷ [84 - 72]

      = 144 ÷ 12

      = 12

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