your grade would be 80% or a B-
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If you miss 3 out of 15 questions, you would have answered 12 out of 15 questions correctly. To calculate the grade, you would divide the number of correct answers by the total number of questions and then multiply by 100 to get a percentage. In this case, 12 divided by 15 equals 0.8, or 80%, which would typically correspond to a B grade.
66.67% D
-12
13/15 is about 87%, which is typically a "B". This may vary depending on the grading rules at your school
13 ÷ 15 = 0.866666.... or 86 2/3 % which rounds to a grade of 87.
80%