Basic Math Examples

87

$87$ ,

72

$72$ ,

99

$99$ ,

93

$93$ ,

84

$84$

Step 1

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

\frac{87 + 72 + 99 + 93 + 84}{5}

$\frac{87 + 72 + 99 + 93 + 84}{5}$

Step 2

Simplify the numerator.

Tap for more steps...

Step 2.1

Add

87

$87$ and

72

$72$ .

\frac{159 + 99 + 93 + 84}{5}

$\frac{159 + 99 + 93 + 84}{5}$

Step 2.2

Add

159

$159$ and

99

$99$ .

\frac{258 + 93 + 84}{5}

$\frac{258 + 93 + 84}{5}$

Step 2.3

Add

258

$258$ and

93

$93$ .

\frac{351 + 84}{5}

$\frac{351 + 84}{5}$

Step 2.4

Add

351

$351$ and

84

$84$ .

\frac{435}{5}

$\frac{435}{5}$

\frac{435}{5}

$\frac{435}{5}$

Step 3

Divide

435

$435$ by

5

$5$ .

87

$87$