Can anyone help me calucate my final grade so far for class??

I need at least a C to pass The final is next week

Each test is 50% we took 3

Exam 1- got a 75%
Exam 2- 66%
Exam 3- 68%

Homework and quizzes is 10%
hw1 - 100
hw2 - 80
hw3 - 40

quiz 1- 90
quiz 2- 0