Basic Math Examples

$80$ , $40$ , $40$ , $40$ , $40$ , $40$ , $40$ , $40$

Step 1

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

$\frac{80 + 40 + 40 + 40 + 40 + 40 + 40 + 40}{8}$

Step 2

Cancel the common factor of $80 + 40 + 40 + 40 + 40 + 40 + 40 + 40$ and $8$ .

Tap for more steps...

Step 2.1

Factor $8$ out of $80$ .

$\frac{8 \cdot 10 + 40 + 40 + 40 + 40 + 40 + 40 + 40}{8}$

Step 2.2

Factor $8$ out of $40$ .

$\frac{8 \cdot 10 + 8 \cdot 5 + 40 + 40 + 40 + 40 + 40 + 40}{8}$

Step 2.3

Factor $8$ out of $8 \cdot 10 + 8 \cdot 5$ .

$\frac{8 \cdot (10 + 5) + 40 + 40 + 40 + 40 + 40 + 40}{8}$

Step 2.4

Factor $8$ out of $40$ .

$\frac{8 \cdot (10 + 5) + 8 \cdot 5 + 40 + 40 + 40 + 40 + 40}{8}$

Step 2.5

Factor $8$ out of $8 \cdot (10 + 5) + 8 (5)$ .

$\frac{8 \cdot (10 + 5 + 5) + 40 + 40 + 40 + 40 + 40}{8}$

Step 2.6

Factor $8$ out of $40$ .

$\frac{8 \cdot (10 + 5 + 5) + 8 \cdot 5 + 40 + 40 + 40 + 40}{8}$

Step 2.7

Factor $8$ out of $8 \cdot (10 + 5 + 5) + 8 (5)$ .

$\frac{8 \cdot (10 + 5 + 5 + 5) + 40 + 40 + 40 + 40}{8}$

Step 2.8

Factor $8$ out of $40$ .

$\frac{8 \cdot (10 + 5 + 5 + 5) + 8 \cdot 5 + 40 + 40 + 40}{8}$

Step 2.9

Factor $8$ out of $8 \cdot (10 + 5 + 5 + 5) + 8 (5)$ .

$\frac{8 \cdot (10 + 5 + 5 + 5 + 5) + 40 + 40 + 40}{8}$

Step 2.10

Factor $8$ out of $40$ .

$\frac{8 \cdot (10 + 5 + 5 + 5 + 5) + 8 \cdot 5 + 40 + 40}{8}$

Step 2.11

Factor $8$ out of $8 \cdot (10 + 5 + 5 + 5 + 5) + 8 (5)$ .

$\frac{8 \cdot (10 + 5 + 5 + 5 + 5 + 5) + 40 + 40}{8}$

Step 2.12

Factor $8$ out of $40$ .

$\frac{8 \cdot (10 + 5 + 5 + 5 + 5 + 5) + 8 \cdot 5 + 40}{8}$

Step 2.13

Factor $8$ out of $8 \cdot (10 + 5 + 5 + 5 + 5 + 5) + 8 (5)$ .

$\frac{8 \cdot (10 + 5 + 5 + 5 + 5 + 5 + 5) + 40}{8}$

Step 2.14

Factor $8$ out of $40$ .

$\frac{8 \cdot (10 + 5 + 5 + 5 + 5 + 5 + 5) + 8 \cdot 5}{8}$

Step 2.15

Factor $8$ out of $8 \cdot (10 + 5 + 5 + 5 + 5 + 5 + 5) + 8 (5)$ .

$\frac{8 \cdot (10 + 5 + 5 + 5 + 5 + 5 + 5 + 5)}{8}$

Step 2.16

Cancel the common factors.

Tap for more steps...

Step 2.16.1

Factor $8$ out of $8$ .

$\frac{8 \cdot (10 + 5 + 5 + 5 + 5 + 5 + 5 + 5)}{8 (1)}$

Step 2.16.2

Cancel the common factor.

$\frac{8 \cdot (10 + 5 + 5 + 5 + 5 + 5 + 5 + 5)}{8 \cdot 1}$

Step 2.16.3

Rewrite the expression.

$\frac{10 + 5 + 5 + 5 + 5 + 5 + 5 + 5}{1}$

Step 2.16.4

Divide $10 + 5 + 5 + 5 + 5 + 5 + 5 + 5$ by $1$ .

$10 + 5 + 5 + 5 + 5 + 5 + 5 + 5$

Step 3

Simplify by adding numbers.

Tap for more steps...

Step 3.1

Add $10$ and $5$ .

$15 + 5 + 5 + 5 + 5 + 5 + 5$

Step 3.2

Add $15$ and $5$ .

$20 + 5 + 5 + 5 + 5 + 5$

Step 3.3

Add $20$ and $5$ .

$25 + 5 + 5 + 5 + 5$

Step 3.4

Add $25$ and $5$ .

$30 + 5 + 5 + 5$

Step 3.5

Add $30$ and $5$ .

$35 + 5 + 5$

Step 3.6

Add $35$ and $5$ .

$40 + 5$

Step 3.7

Add $40$ and $5$ .

$45$