Find the area of this polygon and round to the tenth

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.

To decrease an amount by 16% what single multiplier would you use

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.