Basic Math Examples

11

$11$ ,

17

$17$ ,

13

$13$ ,

16

$16$ ,

18

$18$

Step 1

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

\frac{11 + 17 + 13 + 16 + 18}{5}

$\frac{11 + 17 + 13 + 16 + 18}{5}$

Step 2

Simplify the numerator.

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Step 2.1

Add

11

$11$ and

17

$17$ .

\frac{28 + 13 + 16 + 18}{5}

$\frac{28 + 13 + 16 + 18}{5}$

Step 2.2

Add

28

$28$ and

13

$13$ .

\frac{41 + 16 + 18}{5}

$\frac{41 + 16 + 18}{5}$

Step 2.3

Add

41

$41$ and

16

$16$ .

\frac{57 + 18}{5}

$\frac{57 + 18}{5}$

Step 2.4

Add

57

$57$ and

18

$18$ .

\frac{75}{5}

$\frac{75}{5}$

\frac{75}{5}

$\frac{75}{5}$

Step 3

Divide

75

$75$ by

5

$5$ .

15

$15$