27+26+25+24+23+22+21+20+19+18+17+16+15+14+13+12+11+10+9=342
A.342 seats.
Answer:Btw id your on Usa Testprep the answer is d
Step-by-step explanation:
6x-18
you pretty much h just multiply both the first part of the parentheses by the number outside, then the second :)