In general, I'd recommend cardio 3-5 times per week for 30 minutes or so, and a full body strength program 2-3 days per week. As long as you're doing workouts that are challenging and enjoyable, that's what matters most.
Hope that helps,
"You may have a fresh start any moment you choose, for this thing that we call "failure" is not the falling down but the staying down." Mary Pickford
"No matter how slow you go, you are still lapping everybody on the couch."