85.4 + 87.6 + 87.1 + 85.6 + 85.9 + 85.3 + 84.9 + 83.7 + 84.0 + 85.2

The sum of these numbers is 864.7.

could you add these? 87.1, 88.0, 84.2, 85.3, 86.5, 84.2, 83.2, 84.1, 85.2, and 87.3

The sum of these numbers is 849.1.

849.1 / 10?

849.1 divided by 10 is 84.91.