<p>Thanks, jodesky…</p>
<p>Surely that formula should be
To get the weighted multiple choice score…</p>
<p>c = number correct of 75
i = number incorrect
s = weighted multiple choice score</p>
<p>[c - (1/4 x i)] x 0.8 = s</p>
<p>70/120 will get you a 5? that seems quite low, even for an AP exam. That is less than 60%</p>