Richard has a huge barn, 20 chickens, 4 ducks, 8 pigs, 6 horses, 4 cows, 8 ducks, and 4 goats. Which of the following equivalent ratios represent the ratios of cows to horses?

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