Question 30234
Depends on what s/he got on the other subjects.... but we will work with those four courses

You would find the average: sum them all up and divide by the number of courses
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What is the GPA of a student who made a “C” in Trigonometry, a “B” in American History, an “A” in Botany, and a “B” in Microbiology?

((C)+(B)+(A)+(B))/4
(2 + 3 + 4 + 3)/4
(12)/4
3.0 GPA for those four courses