The owner of a van installs a rear-window lens that has a focal length of -0.299 m. When the owner looks out through the lens at a person standing directly behind the van, the person appears to be just 0.241 m from the back of the van, and appears to be 0.335 m tall.
(a) How far from the van is the person actually standing?
m
(b) How tall is the person?
m