20. A high school football team played 12 games in a season. If they won 75 percent of their games, how many games did they lose? (A) 3 (B) 4 (C) 6 (D) 9 (E) 10
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To determine the number of games the team lost, first calculate the number of games they won. If they won 75% of the 12 games, that means they won 0.75 × 12 = 9 games. With 12 games total, the number of games lost is 12 - 9 = 3. Thus, the answer is (A) 3. This situation is often used to teach percentages and basic arithmetic in schools, making it a relatable way for students to understand math in real-life contexts. Football, like many sports, offers a practical framework for applying mathematical concepts such as averages, probabilities, and scores to engage young learners.