When Mr. Stanley's gas tank is full holds 15 gallons Mr. Stanley put 12 gallons of gas into the tank which filled it up how far was the gas tank before Mr. Stanley put 12 gallons in

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.