Unit price is $0.81 per bag
4 (3n-2) is the answer.
Woops. Sorry I had no idea that it said expression (s) instead of expression, but that is one of the answers though.
22/39 since you took one piece out. Sorry if this rounds down more.
(-9k+8k)*-1
9k-8k=1k
1k*-1=-1k
your answer is -1k
