Basic Math Examples

$82$ , $80$ , $60$ , $77$ , $95$ , $80$ , $95$ , $88$ , $80$ , $80$

Step 1

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{82 + 80 + 60 + 77 + 95 + 80 + 95 + 88 + 80 + 80}{10}$

Step 2

Simplify the numerator.

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Step 2.1

Add $82$ and $80$ .

$\frac{162 + 60 + 77 + 95 + 80 + 95 + 88 + 80 + 80}{10}$

Step 2.2

Add $162$ and $60$ .

$\frac{222 + 77 + 95 + 80 + 95 + 88 + 80 + 80}{10}$

Step 2.3

Add $222$ and $77$ .

$\frac{299 + 95 + 80 + 95 + 88 + 80 + 80}{10}$

Step 2.4

Add $299$ and $95$ .

$\frac{394 + 80 + 95 + 88 + 80 + 80}{10}$

Step 2.5

Add $394$ and $80$ .

$\frac{474 + 95 + 88 + 80 + 80}{10}$

Step 2.6

Add $474$ and $95$ .

$\frac{569 + 88 + 80 + 80}{10}$

Step 2.7

Add $569$ and $88$ .

$\frac{657 + 80 + 80}{10}$

Step 2.8

Add $657$ and $80$ .

$\frac{737 + 80}{10}$

Step 2.9

Add $737$ and $80$ .

$\frac{817}{10}$

Step 3

Divide.

$81.7$