Final answer:
To find the number of lawn seats still available, we need to determine the number of seats sold in Section A and B. Using this information, we can subtract the total number of seats sold from the total number of seats available.
Step-by-step explanation:
To find the number of lawn seats that are still available, we first need to determine the number of seats sold in Section A and B. Let's assume that the number of seats sold in each section is 'x'.
The revenue generated from selling 10,000 tickets can be expressed using the following equation:
75x + 55x + 30(10,000 - 2x) = 356,000
Simplifying the equation, we get:
130x + 30,000 - 60x = 356,000
Combining like terms, we have:
70x = 326,000
Dividing both sides of the equation by 70, we find:
x = 4,657.14
Since we can't have a fraction of a seat, we round down to the nearest whole number. Therefore, the number of seats sold in Section A and B is 4,657 each.
To find the number of lawn seats that are still available, we subtract the total number of seats sold from the total number of seats available:
15,000 - 4,657 - 4,657 = 5,686
Therefore, there are 5,686 lawn seats still available.