at 5 p.m., a person 5 feet tall casts a 10-foot shadow. at the same time, a flagpole casts a 40-foot shadow. what is the height of the triangle?
This is a short story from a book titled, "Crisis on Conshelf Ten." Also included in a book of science fiction short stories titled, "Science Fiction Stories", ed. Edward Blishen, Kingfisher 1988. If you have to read it tonight...you could check your school...