Basic Math Examples

$23$ , $25 - 7$ , $5 + 5$ , $6$

Step 1

Subtract $7$ from $25$ .

$23, 18, 5 + 5, 6$

Step 2

Add $5$ and $5$ .

$23, 18, 10, 6$

Step 3

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

$\frac{23 + 18 + 10 + 6}{4}$

Step 4

Simplify the numerator.

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Step 4.1

Add $23$ and $18$ .

$\frac{41 + 10 + 6}{4}$

Step 4.2

Add $41$ and $10$ .

$\frac{51 + 6}{4}$

Step 4.3

Add $51$ and $6$ .

$\frac{57}{4}$

Step 5

Divide.

$14.25$

Step 6

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

$14.3$