Pre-Algebra Examples

$H = \frac{7}{10} \cdot (220 - 30)$

Step 1

Subtract $30$ from $220$ .

$H = \frac{7}{10} \cdot 190$

Step 2

Cancel the common factor of $10$ .

Tap for more steps...

Step 2.1

Factor $10$ out of $190$ .

$H = \frac{7}{10} \cdot (10 (19))$

Step 2.2

Cancel the common factor.

$H = \frac{7}{10} \cdot (10 \cdot 19)$

Step 2.3

Rewrite the expression.

$H = 7 \cdot 19$

$H = 7 \cdot 19$

Step 3

Multiply $7$ by $19$ .

$H = 133$

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