If the number of Old visitors buying Gold tickets was strictly greater than the number of Young visitors buying Gold tickets, then the number of Middle-aged visitors buying Gold tickets was
Explanation:
We have, y > 42 − x or x + y > 42. Now, the number of middle-aged visitors buying Gold tickets
= 43 − (x + y). Since x + y > 42, the number of middle-aged visitors buying Gold tickets = 0.
Therefore the required answer is 0.
Answer: 0
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