Basic Math Examples

85

$85$ ,

65

$65$ ,

65

$65$ ,

70

$70$ ,

95

$95$ ,

100

$100$

Step 1

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

\frac{85 + 65 + 65 + 70 + 95 + 100}{6}

$\frac{85 + 65 + 65 + 70 + 95 + 100}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add

85

$85$ and

65

$65$ .

\frac{150 + 65 + 70 + 95 + 100}{6}

$\frac{150 + 65 + 70 + 95 + 100}{6}$

Step 2.2

Add

150

$150$ and

65

$65$ .

\frac{215 + 70 + 95 + 100}{6}

$\frac{215 + 70 + 95 + 100}{6}$

Step 2.3

Add

215

$215$ and

70

$70$ .

\frac{285 + 95 + 100}{6}

$\frac{285 + 95 + 100}{6}$

Step 2.4

Add

285

$285$ and

95

$95$ .

\frac{380 + 100}{6}

$\frac{380 + 100}{6}$

Step 2.5

Add

380

$380$ and

100

$100$ .

\frac{480}{6}

$\frac{480}{6}$

\frac{480}{6}

$\frac{480}{6}$

Step 3

Divide

480

$480$ by

6

$6$ .

80

$80$