GA1 99/100
GA2 97/100
exam 97/100
I'm gonna say about 49-50. 97/100 is really strong. Jonoz0r (below) got a 49 with 96/100 on the exam last year.
Accounting
GA 1 - Raw: 95 -> 100
GA 2 - Raw: 97 -> 100
GA 3 - 192/200
SS: 49
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Methods
GA1 78/100 (raw MHS, but assume no scaling?)
GA 2 36/40
GA 3 75/80
Your SACs will most likely scale up heaps, but I'll do what you asked and assume no scaling. Predicting based off last years exams, you'd get a A (low), A+ (low), A+ (high) which will get you around 38-42 in my opinion. Your SACs are only 33% but make a big difference when you're looking in the 40+ range. PhishPhillet got a 45 with lower exam marks, but his SACs were 100/100.
[edit] this does bring to mind lzxnl - with near perfect exam scores, but with an A for SACs he got a 46, but with an A+ for SACs got a 50. Just something to think about.
Methods
GA 1- 100->100
GA 2- 36/40 (wat?)
GA 3- 72.5/80
SS:45