Telescope magnification with 200 cm and 1 cm focal lengths

[BuBbLeS01]

I have been working on this problem for HOURS! PLease helpe me!

Homework Statement

The objective of a telescope has a focal length of 200 cm and its eye piece has a focal length of 1 cm. What is the magnification of this telescope when viewing an object at infinity??

Homework Equations

The Attempt at a Solution

I thought ...
M = Fo/Fe which would = 200 but the answer is 20! Why? Does infinity have something to do with it??

 

[BuBbLeS01]

Anyone know about this??