Basic Math Examples

$74$ , $81$ , $77$ , $88$

Step 1

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

$\frac{74 + 81 + 77 + 88}{4}$

Step 2

Simplify the numerator.

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Step 2.1

Add $74$ and $81$ .

$\frac{155 + 77 + 88}{4}$

Step 2.2

Add $155$ and $77$ .

$\frac{232 + 88}{4}$

Step 2.3

Add $232$ and $88$ .

$\frac{320}{4}$

Step 3

Divide $320$ by $4$ .

$80$