Answer:
shoulda woulda coulda been B
Step-by-step explanation:
There should be 6 per number
ex.
1234
1243
1342
1324
1432
1423
Part. %
------ = -------
Whole 100
816. X
------- = ------
850. 100
850x=81600
-------- ---------
850. 850
X=96
96% of seats were sold
Assuming the sequence goes on like this 11,-33,99,-297,891,...,
its general formula is

So, the 9th term is
2. 2.70&20.70
3. 9.45&31.95
4. 25.31&59.00
5. 24.75&99.74
6. 48.60&97.20
7. 231.25&416.25