Which situation can be represented by y=12x?

The town of Maryville has x people. This is half as much as the town of Sunnyside which as y people.

A recipe calls for x eggs. This is half the number of required bananas which is represented by y.

Frank is y years old. This is half the age of his older sister, Margret, who is x years old.

Yvonne has y dollars. This is one half more dollars than her friend Marie who has x dollars.