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<p>No, sorry if I wasn’t clear about what I meant. Michigan counts an A+, A, and A- equally as an A = 4.0; they count B+, B, and B- equally as a B = 3.0, and so on. Just strip out the pluses and minuses and assign a whole integer value to it, and recalculate the overall GPA on that basis. The “3.5” I mentioned is what you’d get if you’re averaging just two grades, one in the A range (A+, A, or A-), and one in the B range (B+, B, or B-).</p>
<p>When they report that 28% of their entering class has a (recalculated) GPA of 4.0, that has to mean that cohort got no grade lower than A-, since even a single B+ (counted as a B = 3.0) would bring the overall GPA below 4.0. </p>
<p>Clear enough?</p>