Patrick Lives near Two Petrol Stations, Caltex and Shell

question 120

Multiple Choice

Patrick lives near two petrol stations, Caltex and Shell. If Caltex decreases the price of petrol, we predict that the quantity of petrol demanded at Shell will

• A) decrease because Caltex and Shell petrol are substitutes.
• B) decrease because Caltex and Shell petrol are complements.
• C) increase because Caltex and Shell petrol are substitutes.
• D) increase because Caltex and Shell petrol are complements.
• E) not change because Caltex and Shell are different brands of petrol.

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Definitions:

Ovarian Cancer

A type of cancer that begins in the ovaries, often detected late due to symptoms that are common to many less serious conditions.

Acoustic Nerve

The nerve that carries sound information from the inner ear to the brain, also known as the vestibulocochlear nerve or cranial nerve VIII.

Cancer

A broad term for a group of diseases characterized by the uncontrolled growth and spread of abnormal cells in the body.

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A serious form of skin cancer that arises from pigment-containing cells known as melanocytes.