It describes a market with plenty of buyers and firms, identical products, price takers towards firms and consumers, and no set of barriers for new firms. The prices are established through the communication of the market's supply and demand.
Answer:
Dion estimated correctly by rounding up. He ordered enough brick. The exact area is 129.5 square feet.
Explanation:
I am not able to explain without seeing the rest of the statements. Please elaborate.