Final answer:
The number of general-admission seats is 8,750.
Step-by-step explanation:
To find the number of general-admission seats, we need to determine the ratio of box seats to general-admission seats. The ratio given is 2 to 7.
Since the ratio of box seats to general-admission seats is 2 to 7, we can set up a proportion to find the number of general-admission seats:
2 / 7 = 2500 / x
Cross-multiplying, we get 2x = 7 * 2500, which simplifies to 2x = 17500.
Dividing both sides by 2, we get x = 17500 / 2 = 8750.
Therefore, there are 8750 general-admission seats.