What are the three main economic systems in use at present?
A.) capitalism, communism, and supply and demand
B.) industrialism, socialism, and humanitarianism
C.) socialism, capitalism, and industrialism
D.) communism, socialism, and capitalism
E.) communism, elitism, and socialism
A charity organization had a fundraiser where each ticket was sold for a fixed price. After selling 200 tickets, they had a net profit of / $12{,}000$12,000 dollar sign, 12, comma, 000. They had to sell a few tickets just to cover necessary production costs of / $1{,}200$1,200 dollar sign, 1, comma, 200.
Let y represent the net profit (in dollars) when they have sold x tickets.
