Dimensional Analysis

There are only 4 steps to converting:
1) Identify what units you want to end up with
2)Find the conversion factors
3) Place units in the appropriate places
4) Cancel units

For example:

? miles = 120 km
120km * 1 mile/1.6 km= 75 mile

 http://www.youtube.com/watch?v=aZ3J60GYo6U

-Candace