A slide projector has a coverging lens whose focal length is 104.00 mm.
(a) How far (in meters) from the lens must the screen be located if a slide is placed 108.70 mm from the lens?
(b) If the slide measures 24.0 mm 36.0 mm, what are the dimensions (in mm) of its image?
mm x mm
need help solving the lens problems please.