clalcutate the average of 766 and 878
All you have to do to calculate the mean average is add the values of the numbers together and then divide that sum by the number of numbers :D.
So in this case:
766 + 878 = 1644
1644 / 2 = 822
The average of these two numbers is 822.
I can help you today, 766 + 878 = 1644 divided by 2 = 822
You can find the average by:
1. add the two numbers or how many there is
2. divide the sum of the two numbers by 2
3. Now you have you answer
Remember this when you see another question like this
Hope this helps you :)