Your current schedule only lets you take two 1-credit courses every six months. You need 12 credits to get the degree you want. How long will it take you to get the degree?
2 one credit courses = 2 credits every 6 months. Thats 4 credits in 1 year. Divide 12 by 4 to get 3. Multiply 1 year by 3 so it takes 3 years to get the degree. Hope this was what you are looking for