Solve the Problem by Using a System of Equations

question 210

Multiple Choice

Solve the problem by using a system of equations. The tens digit of a two-digit number is 7 less than three times the units digit. If the sum of the digits is 9, find the number.

• A) 57
• B) 54
• C) 45
• D) 48

---

Definitions:

Scarcity

The state of being in short supply; a situation where resources are insufficient to satisfy the needs or wants of individuals or societies.

Reactance

A psychological response that occurs when people feel their freedom to choose is being limited, prompting a motivation to regain that freedom.

Restricted Choices

A situation characterized by limited options or alternatives available for selection.

Ethical Resistance

The act of opposing actions or decisions that violate moral principles or codes of conduct.