Pre-Algebra Examples

$7$ , $6.1$ , $6.7$ , $3.9$ , $6.1$ , $6.2$

Step 1

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

$\frac{7 + 6.1 + 6.7 + 3.9 + 6.1 + 6.2}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add $7$ and $6.1$ .

$\frac{13.1 + 6.7 + 3.9 + 6.1 + 6.2}{6}$

Step 2.2

Add $13.1$ and $6.7$ .

$\frac{19.8 + 3.9 + 6.1 + 6.2}{6}$

Step 2.3

Add $19.8$ and $3.9$ .

$\frac{23.7 + 6.1 + 6.2}{6}$

Step 2.4

Add $23.7$ and $6.1$ .

$\frac{29.8 + 6.2}{6}$

Step 2.5

Add $29.8$ and $6.2$ .

$\frac{36}{6}$

Step 3

Divide $36$ by $6$ .

$6$

Step 4

Divide.

$6$