David Makes Candles That Are 7cm Tall

question 34

Short Answer

David makes candles that are 7cm tall. Each candle burns 3 hours before going out. He is wondering how many hours a 21cm tall candle can burn for. Assuming that the relationship between the height of a candle and number of hours it burns is proportional; determine the proportion that can be used to model this scenario and how long a 21cm tall candle can burn for.

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Definitions:

Experimental Psychologists

Psychologists who specialize in conducting research experiments to study behavior and mental processes.

Counseling Psychologists

Professionals in psychology who focus on facilitating personal and interpersonal functioning across the lifespan, including emotional, social, vocational, educational, health-related, developmental, and organizational concerns.

Structuralism

An early school of psychology that used introspection to explore the structure of the human mind.

Psychoanalysis

A therapeutic approach and theory of personality developed by Sigmund Freud, focusing on unconscious motivations and conflicts underlying human behavior.