Set Up an Equation That Can Be Used to Solve

question 45

Multiple Choice

Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked.
-Mary and her brother John collect foreign coins. Mary has four times the number of coins that John has. Together they have 175 foreign coins. Find how many coins Mary has.

• A) 35 coins
• B) 140 coins
• C) 133 coins
• D) 28 coins

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Definitions:

Sensorimotor Stage

The first stage in Piaget's theory of cognitive development, where infants interact with the world and learn through their senses and motor activities.

Formal Operational Stage

The stage in Jean Piaget's theory of cognitive development where individuals gain the ability to think abstractly and logically.

Cognitive Development

The process by which individuals perceive, think, and gain an understanding of their world through the interaction of genetic and learned factors.

Tabula Rasa

The theory that individuals are born without built-in mental content and that all knowledge comes from experience or perception.