Pre-Algebra Examples

$c = \frac{400 + 15 n}{n}$

Step 1

Factor $5$ out of $400$ .

$c = \frac{5 (80) + 15 n}{n}$

Step 2

Factor $5$ out of $15 n$ .

$c = \frac{5 (80) + 5 (3 n)}{n}$

Step 3

Factor $5$ out of $5 (80) + 5 (3 n)$ .

$c = \frac{5 (80 + 3 n)}{n}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$