You can sell 170 pet chias per week if they are marked at $1 each, but only 160 each week if they are marked at $2/chia. Your chia supplier is prepared to sell you 80 chias each week if they are marked at $1/chia, and 170 each week if they are marked at $2 per chia.
2 answers
sounds like a good deal. Is there a question in there somewhere?
what is the demand and supply function using the q(p)= mp+b form is most likely the question