If I go to college part time and want a cl that has 69 credit hours how long will it take?

I am thinking of attending college for the first time and since it is a weekend and I cant call to ask I was wondering if someone may please help me out. I've been looking at a couple diff cles and one says a total of 67 credit hrs and the other is 69 credit hrs. I would have to go part time bec my hubby Works 2jobs so I can stay at hm w/my 17mo old. Abt how long wld it take me to finish? Thanks SO much! :)