Basic Math Examples

the percentage of scores between

$90$ and

$120$ is

Step 1

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

$\frac{90 + 120}{2}$

Step 2

Cancel the common factor of

$90 + 120$ and

$2$ .

Tap for more steps...

Step 2.1

Factor

$2$ out of

$90$ .

$\frac{2 \cdot 45 + 120}{2}$

Step 2.2

Factor

$2$ out of

$120$ .

$\frac{2 \cdot 45 + 2 \cdot 60}{2}$

Step 2.3

Factor

$2$ out of

$2 \cdot 45 + 2 \cdot 60$ .

$\frac{2 \cdot (45 + 60)}{2}$

Step 2.4

Cancel the common factors.

Tap for more steps...

Step 2.4.1

Factor

$2$ out of

$2$ .

$\frac{2 \cdot (45 + 60)}{2 (1)}$

Step 2.4.2

Cancel the common factor.

$\frac{2 \cdot (45 + 60)}{2 \cdot 1}$

Step 2.4.3

Rewrite the expression.

$\frac{45 + 60}{1}$

Step 2.4.4

Divide

$45 + 60$ by

$1$ .

$45 + 60$

Step 3

Add

$45$ and

$60$ .

$105$