Well, if you place into college algebra, then you must complete that as well as precal in order to take calculus. I wouldn't know how long that would take you because you could take it over a minimester or a summer session, but it could delay you up to one year. Honestly, if you are that weak in math, I would really consider whether you really want to be a pharmacist. There is a decent amount of math in pharmacy school from what I've heard. Obviously not laplace transformations or anything, but still math is somewhat essential in pharmacokinetics. You might consider another profession, especially with all of the recent saturation going on the profession. You don't want to graduate a mediocre student with no job and tons of debt. Just some things to think about before you commit yourself for 4 years.