How many received medals in <strong>AT LEAST</strong> two of three sports ?
Consider the following for the next three (03) items that follow : A university awarded medals in basket ball, football and volleyball. <strong>ONLY</strong> x students (x \lt 6) got medal in <strong>ALL</strong> the three sports and the medals went to a total of 15x students. It awarded 5x medals in basketball, (4x+15) medals in football and (x+25) medals in volleyball.
- A. 30-6x
- B. 35-6x
- C. 40-5x
- D. 40-6x ✓
Correct Answer: D. 40-6x
Explanation
The number of students receiving at least two medals is the sum of those receiving exactly two medals and exactly three medals. This gives (40 - 7x) + x = 40 - 6x.
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