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You take all of the grades you receive and add them all together. Then how ever grades are used divide the number of all the added grades to however many grades there are.

Example: 100%, 76%, 89%, 90%, 98%, 99%, 100%, and 67%.

100+76+89+90+98+99+100+67= 719

719 divided by 8= 89.875 or rounded to 90%

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15y ago

What else can I help you with?