Answer:
$5,000.
Step-by-step explanation:
Let x represent cost of each car.
We have been given that your base pay is $10,000, your commission rate is 40%, you sell 15 cars, and you earn $40,000. We are asked to find the cost of each car.
The commission earned on each car would be
.
The commission earned for selling 15 cars would be
.
The total amount earned by you would be base salary plus amount earned in commission.





Therefore, the cost of each car is $5,000.