There are too many variables to consider when it comes to how fast you can get cut. What some do in a few weeks takes others a few months.
Your diet should be your main focus when cutting. Followed by cardio. The amont of cardio you do is contingetn upon what type you do. Go to www.johnstonefitness.com and take a look at this guys food/excercise log and the pictures that go with it. This should help develop a decent baseline.