Respuesta :

from a 80-90 I believe

Answer:

87-89%

Explanation:

According to the Academic grading of the United States, grading system is constituted as it follows:

Letter grade Percentage

A+                 97–100%

A                 93–96%

A−                 90–92%

B+                 87–89%

B                 83–86%

B−                 80–82%

C+                 77–79%

C                 73–76%

C-                 70–72%

D+                 67–69%

D                 63–66%

D-                 60–62%

F                 0–59%