Question

Jason is a used-car salesman who sells domestic and foreign cars. He earns $7,000 for each domestic car sold and loses $3,500 for each foreign car sold. Due to certain business commitments, Jason has to sell at least 10 foreign cars each month. He needs to make at least $17,000 each month to cover his expenses. Which graph shows the number of cars he has to sell each month to at least cover his expenses?

Answer 1

The equations would be 7000x +3500y = 17000 and x+y=10

Explanation:

Answer 2

The equations would be 7000x +3500y = 17000 and x+y=10. I have made a graph of the two equations below. The point where the both meet is how many car he must sell in a month to cover his expenses.