Answer:

Explanation:
Let x represent total sales in dollars.
We have been given that Trey earns base pay of $47,300 and was paid commission of 15% for each car he sold.
Since Trey is paid 15% for each car he sold and total sales were x dollars, this means his commission would be 15% of x that is
.
The total salary of Trey would be base salary plus commission:

Therefore, the equation
represents Trey's total pay in dollars.