64 out of 77 = 83.12%
If you scored 64 points out of a possible 77 points, your percentage grade is 83.12%, which is a B letter grade with a GPA of 3.0.
Standard US Scale
4.0 Scale
Grade Description
Good - Shows solid understanding with minor areas for improvement.
Improvement Tips
- Review your minor mistakes and understand why they occurred
- Participate more actively in class discussions
- Create study groups to reinforce learning
- Practice with more challenging problems
Detailed Grade Table
| Grade | Correct | Incorrect | Percent |
|---|---|---|---|
| A+ | 75 to 77 | 0 to 2 | 97.00 to 100.00 |
| A | 72 to 74 | 3 to 5 | 93.00 to 96.99 |
| A- | 70 to 71 | 6 to 7 | 90.00 to 92.99 |
| B+ | 67 to 69 | 8 to 10 | 87.00 to 89.99 |
| B | 64 to 66 | 11 to 13 | 83.00 to 86.99 |
| B- | 62 to 63 | 14 to 15 | 80.00 to 82.99 |
| C+ | 60 to 61 | 16 to 17 | 77.00 to 79.99 |
| C | 57 to 59 | 18 to 20 | 73.00 to 76.99 |
| C- | 54 to 56 | 21 to 23 | 70.00 to 72.99 |
| D+ | 52 to 53 | 24 to 25 | 67.00 to 69.99 |
| D | 49 to 51 | 26 to 28 | 63.00 to 66.99 |
| D- | 47 to 48 | 29 to 30 | 60.00 to 62.99 |
| F | 0 to 46 | 31 to 77 | 0.00 to 59.99 |
Your grade of 83.12% (B) is highlighted in the table above. The "Correct" and "Incorrect" columns show the equivalent number of questions for your total of 77 points.
To calculate 64 out of 77 as a percentage, you divide 64 by 77 and then multiply by 100:
This calculation gives you your percentage score, which can then be converted to a letter grade based on your school or institution's grading scale.
Step-by-step explanation:
- Divide the points earned (64) by the total points possible (77):
64 ÷ 77 = 0.8312 - Multiply the result by 100 to get the percentage:
0.8312 × 100 = 83.12% - Convert the percentage to a letter grade using the standard scale:
83.12% = B
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A score of 64 out of 77 (83.12%) has different implications depending on the educational context:
| Context | Interpretation |
|---|---|
| Homework Assignment | Strong understanding of the material |
| Quiz or Test | Excellent preparation and knowledge retention |
| Final Exam | Mastery of course material |
| Course Grade | Strong performance throughout the course |
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