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Isabella took a test that had 20 questions. The total grade was computed by awarding 10 points for each correct answer and deducting 5 points for each incorrect answer. Isabella answered all 20 questions and received a score of 125. How many answers did Isabella get incorrect?

  1. 10
  2. 5
  3. 3
  4. 8

Answer

The correct answer is B) 5.

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