Physics help, lenses?

Question

I don't think this question fits the drawing below it. Therefore, I think this question is impossible. Please either help me figure this out or tell me if this question is impossible. Thanks.

http://www.flickr.com/photos/28859420@N07/2707271327/

Answer 1

Looks like they reversed the numbers in the text. The object is 5 cm below the lens, and the image 13 cm below it, a typical reading-glass situation. When the image is on the same side of the lens as the object, its distance, by convention, is negative. So you have FL = 1/(1/do + 1/di)) = 1/(1/5 + 1/-13) = 8.125 cm and the image is magnified 2.6x.

The opposite situation is possible (object at 13 cm, image at -5 cm), but that would involve a concave lens and a reduced image.