Basic Math Examples

$72$ , $97$ , $70$ , $71$ , $100$

Step 1

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

$\frac{72 + 97 + 70 + 71 + 100}{5}$

Step 2

Simplify the numerator.

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Step 2.1

Add $72$ and $97$ .

$\frac{169 + 70 + 71 + 100}{5}$

Step 2.2

Add $169$ and $70$ .

$\frac{239 + 71 + 100}{5}$

Step 2.3

Add $239$ and $71$ .

$\frac{310 + 100}{5}$

Step 2.4

Add $310$ and $100$ .

$\frac{410}{5}$

Step 3

Divide $410$ by $5$ .

$82$