Im trynna cheat rn you know

This question awards 100 ! i really don’t want to fail i will also mark you !

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

How can constraints be used to model a real-world situation?