Mrs. o'brien's rectangular garden has a length of 20 meters and a width of 12 meters. her neighbor, mr. rogers, has a garden similar in shape with a scale factor of 2. a) what is the width of mr. roger's garden? b)how do the ratio of the gardens' perimeters relate to the scale factor? express your answer as a ratio in simplest form. c)how do the areas of the gardens relate to one another? express your answer a a ration in simplest form