IKMC 2027 - Grades 3-4 - Self-study SET 22 - Thematic Batch 3 Question 20

A basketball team makes 72 attempts to score. A successful attempt scores 1,2 or 3 points. The team finishes with 99 points, including thirty 2-point shots, twelve 1-point shots and some 3-point shots. How many attempts miss?