Basic Math Examples

86

$86$ ,

90

$90$ ,

93

$93$ ,

85

$85$ ,

79

$79$ ,

92

$92$

Step 1

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

\frac{86 + 90 + 93 + 85 + 79 + 92}{6}

$\frac{86 + 90 + 93 + 85 + 79 + 92}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add

86

$86$ and

90

$90$ .

\frac{176 + 93 + 85 + 79 + 92}{6}

$\frac{176 + 93 + 85 + 79 + 92}{6}$

Step 2.2

Add

176

$176$ and

93

$93$ .

\frac{269 + 85 + 79 + 92}{6}

$\frac{269 + 85 + 79 + 92}{6}$

Step 2.3

Add

269

$269$ and

85

$85$ .

\frac{354 + 79 + 92}{6}

$\frac{354 + 79 + 92}{6}$

Step 2.4

Add

354

$354$ and

79

$79$ .

\frac{433 + 92}{6}

$\frac{433 + 92}{6}$

Step 2.5

Add

433

$433$ and

92

$92$ .

\frac{525}{6}

$\frac{525}{6}$

\frac{525}{6}

$\frac{525}{6}$

Step 3

Cancel the common factor of

525

$525$ and

6

$6$ .

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Step 3.1

Factor

3

$3$ out of

525

$525$ .

\frac{3 (175)}{6}

$\frac{3 (175)}{6}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor

3

$3$ out of

6

$6$ .

\frac{3 \cdot 175}{3 \cdot 2}

$\frac{3 \cdot 175}{3 \cdot 2}$

Step 3.2.2

Cancel the common factor.

$\frac{3 \cdot 175}{3 \cdot 2}$

Step 3.2.3

Rewrite the expression.

$\frac{175}{2}$

Step 4

Divide.

$87.5$