Esperanza uses a 35-mm camera by a standard lens of focal length 70.0 mm to take a photo of her son Carlos, who is 1.3 m tall and standing3.0 m away.
1. What is the magnification of the image?
2. What is the height of the image of Carlos on the film?
3. What must be the distance among the lens and the film to get a properly focused picture?