Final answer:
The factor that influences a person who buys a used car with the money earned from working a part-time job is income.
Step-by-step explanation:
The factor that influences a person who buys a used car with the money earned from working a part-time job is income. Income is the amount of money an individual earns and it plays a major role in determining their purchasing power. If someone has a higher income, they are more likely to afford a better quality used car.
Learn more about Influence of income on purchasing decisions for a used car