A camera is supplied with two interchangeable lenses, whose focal lengths are 35.0 and 150.0 mm. A

Question:

A camera is supplied with two interchangeable lenses, whose focal lengths are 35.0 and 150.0 mm. A woman whose height is 1.60 m stands 9.00 m in front of the camera. What is the height (including sign) of her image on the image sensor, as produced by
(a) The 35.0-mm lens and
(b) The 150.0-mm lens?