The Transverse Tire Company produces all types of tires at its factory. Due to fixed costs associated with running the factory, the company starts with a loss of $200,000, or a profit of -$200,000, at the beginning of each month. The first major hurdle the company faces each month is to break even, or reach the point at which the profit is zero. The tires are sold in batches of 1000. The company earns $40,000 for each batch of tires they manufacture and sell 1) What are the independent and dependent quantities in this situation?

2) Write an equation to represent the profit the company will make when they manufacture and sell batches of tires.

3) What is the unit rate of change in this problem?

4) How much profit would the company make if they manufactured and sold 3 and one-half batches (3500 tires)?

5) How many batches of tires does the company have to manufacture and sell to have a profit of –$190,000?