Pre-Algebra Examples

$\frac{4}{5} \cdot (3 \cdot 20) - 17$

Step 1

Simplify each term.

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Step 1.1

Multiply $3$ by $20$ .

$\frac{4}{5} \cdot 60 - 17$

Step 1.2

Cancel the common factor of $5$ .

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Step 1.2.1

Factor $5$ out of $60$ .

$\frac{4}{5} \cdot (5 (12)) - 17$

Step 1.2.2

Cancel the common factor.

$\frac{4}{5} \cdot (5 \cdot 12) - 17$

Step 1.2.3

Rewrite the expression.

$4 \cdot 12 - 17$

$4 \cdot 12 - 17$

Step 1.3

Multiply $4$ by $12$ .

$48 - 17$

$48 - 17$

Step 2

Subtract $17$ from $48$ .

$31$

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