Two positive thin lenses are separated by a distance of 5.0 cm. the focal length of the lenses are f1 = 10.0 cm, f2 = 20.0 cm. If an object is placed 2.0 cm to the left of the front focal point, where is the image located relative to the back focal point?

What is the magnification of the image?

What is the throw of the system? Throw is the length of the system.