Algebra Examples

$31.7$ , $42.8$ , $26.4$ , $39.1$

Step 1

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

$\frac{31.7 + 42.8 + 26.4 + 39.1}{4}$

Step 2

Simplify the numerator.

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Step 2.1

Add $31.7$ and $42.8$ .

$\frac{74.5 + 26.4 + 39.1}{4}$

Step 2.2

Add $74.5$ and $26.4$ .

$\frac{100.9 + 39.1}{4}$

Step 2.3

Add $100.9$ and $39.1$ .

$\frac{140}{4}$

Step 3

Divide $140$ by $4$ .

$35$

Step 4

Divide.

$35$