65% or D
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To calculate the grade, first determine the number of correct answers. If 50 questions were answered and 7 were wrong, then 50 - 7 = 43 questions were correct. The grade can be calculated as (43 correct / 50 total) x 100, which equals 86%. Therefore, the grade is 86%.
71 percent
When I graded papers, no matter how many questions, I would mark the questions wrong that were wrong with checks. Then, to come up with a grade I would subtract the number possible with the number wrong. That would give me the total number right and from that you assign a grade to the paper.
that has happened to me in the forth grade. i wrote 7+4=11 and she said no its 12, you got that one wrong!
It depends on exactly what scale is used, but for almost all, that would be an F.