# How do you find the average of 6.5 7.5 and 8.5?

Add the three numbers together and divide by three. It is 7.33 recurring.

### How do you do mean in math?

* Mean = Average (Mean means Average) You add the set of numbers together and then divide the number of numbers in the set. For example... If you had a set of numbers 75, 85, 65, 53 and 77, you add up all the numbers which equals 355. Then you divide 355 by 5 because there is 5 numbers in the example at the top (the 5 numbers are 75, 85, 65, 53 and 77)…

### How do you find the whole number when a percentage is known?

I think you are asking,"If 75% of a sum of money is £600, how do I find 100% of that mmoney?" In this case notice that 75% is three quarters of £600, There are many ways to solve the problem. Because this is a simple case we could say, "If 75% of the amount required equals £600, another 25% would be a third of the 75% and a third of £600 is £200. Add the…