Solve the Problem by Setting Up and Solving a System

question 173

Multiple Choice

Solve the problem by setting up and solving a system of two linear equations in two variables. Use either the elimination-by-addition or the substitution method to solve the system. Suppose that a certain motel rents double rooms at $38 per day and single rooms at $24 per day. If a total of 75 rooms was rented one day for $2,318, how many of single rooms were rented?

• A) 37 rooms
• B) 75 rooms
• C) 43 rooms
• D) 38 rooms
• E) none of these

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Definitions:

Neurotransmitter

Chemical substances that transmit nerve impulses across a synapse from one nerve cell to another.

Latency Stage

In Freud’s psychoanalytic theory, the fourth stage of psychosexual development, characterized by repression of sexual impulses and development of skills.

Freud's Stage

Stages of psychological development theorized by Freud, emphasizing sexual and aggressive urges shaping personality.

Monozygotic

Pertaining to twins that developed from a single fertilized ovum, making them genetically identical.