It's hard to tell because you didn't list all of your grades.
A=4, B=3, C=2, D=1, F=0
Here are Grade Average Calculator that also helps you to perform various calculations.
Example of how to figure your GPA:
Reading- B
Math- A
Science- A
History- B
Writing- A
3+4+4+3+4=18
18/5grades = 3.6
Well if you have a 93/100 Average, you will have a 3.72 GPA
100/25=4 MAX GPA
93/25=3.72 Your GPA
