The large and medium shapes are scale drawings of the smallest shape the scale factor from the large shape to the media shape is 65% the scale factor from the medium shape to the small shape is 40% what is the scale factor from the large shape to the small shape
Add 65+40 which is going to give you 105 then once you get 105 subtract 65-40 which is going to give you 25 the 105 is the total so the whole answer is 25
